Home / 39,472.46-54,472.20-21,567.52

Finding the Fourth Proportional to 39,472.46, 54,472.20 and 21,567.52

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Solution

The fourth proportional to 39,472.46, 54,472.20 and 21,567.52 is: 29,763.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,472.46 : 54,472.20 = 21,567.52 : x
  2. Step 2: Convert to fraction form
    39,472.46/54,472.20 = 21,567.52/x
  3. Step 3: Cross multiply
    39,472.46x = 54,472.20 × 21,567.52
  4. Step 4: Simplify right side
    39,472.46x = 1,174,829,943.75
  5. Step 5: Solve for x
    x = 1,174,829,943.75/39,472.46
  6. Step 6: Final answer
    x = 29,763.28

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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.