Home / 31,505.45-43,477.50-17,358.59

Finding the Fourth Proportional to 31,505.45, 43,477.50 and 17,358.59

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Solution

The fourth proportional to 31,505.45, 43,477.50 and 17,358.59 is: 23,954.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,505.45 : 43,477.50 = 17,358.59 : x
  2. Step 2: Convert to fraction form
    31,505.45/43,477.50 = 17,358.59/x
  3. Step 3: Cross multiply
    31,505.45x = 43,477.50 × 17,358.59
  4. Step 4: Simplify right side
    31,505.45x = 754,707,879.34
  5. Step 5: Solve for x
    x = 754,707,879.34/31,505.45
  6. Step 6: Final answer
    x = 23,954.84

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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.