Home / 31,505.41-43,477.47-17,358.13

Finding the Fourth Proportional to 31,505.41, 43,477.47 and 17,358.13

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Solution

The fourth proportional to 31,505.41, 43,477.47 and 17,358.13 is: 23,954.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.41 : 43,477.47 = 17,358.13 : x
  2. Step 2: Convert to fraction form
    31,505.41/43,477.47 = 17,358.13/x
  3. Step 3: Cross multiply
    31,505.41x = 43,477.47 × 17,358.13
  4. Step 4: Simplify right side
    31,505.41x = 754,687,272.15
  5. Step 5: Solve for x
    x = 754,687,272.15/31,505.41
  6. Step 6: Final answer
    x = 23,954.22

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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.