Home / 39,472.29-54,471.96-21,567.60

Finding the Fourth Proportional to 39,472.29, 54,471.96 and 21,567.60

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Solution

The fourth proportional to 39,472.29, 54,471.96 and 21,567.60 is: 29,763.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.29 : 54,471.96 = 21,567.60 : x
  2. Step 2: Convert to fraction form
    39,472.29/54,471.96 = 21,567.60/x
  3. Step 3: Cross multiply
    39,472.29x = 54,471.96 × 21,567.60
  4. Step 4: Simplify right side
    39,472.29x = 1,174,829,444.50
  5. Step 5: Solve for x
    x = 1,174,829,444.50/39,472.29
  6. Step 6: Final answer
    x = 29,763.40

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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.