Home / 31,505.47-43,477.55-17,358.19

Finding the Fourth Proportional to 31,505.47, 43,477.55 and 17,358.19

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Solution

The fourth proportional to 31,505.47, 43,477.55 and 17,358.19 is: 23,954.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.47 : 43,477.55 = 17,358.19 : x
  2. Step 2: Convert to fraction form
    31,505.47/43,477.55 = 17,358.19/x
  3. Step 3: Cross multiply
    31,505.47x = 43,477.55 × 17,358.19
  4. Step 4: Simplify right side
    31,505.47x = 754,691,573.63
  5. Step 5: Solve for x
    x = 754,691,573.63/31,505.47
  6. Step 6: Final answer
    x = 23,954.30

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Half scale
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Double scale
Find fourth proportional to 31,506.47, 43,478.93 and 17,359.19
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.