Home / 39,471.12-54,468.54-21,566.76

Finding the Fourth Proportional to 39,471.12, 54,468.54 and 21,566.76

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Solution

The fourth proportional to 39,471.12, 54,468.54 and 21,566.76 is: 29,761.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,471.12 : 54,468.54 = 21,566.76 : x
  2. Step 2: Convert to fraction form
    39,471.12/54,468.54 = 21,566.76/x
  3. Step 3: Cross multiply
    39,471.12x = 54,468.54 × 21,566.76
  4. Step 4: Simplify right side
    39,471.12x = 1,174,709,929.73
  5. Step 5: Solve for x
    x = 1,174,709,929.73/39,471.12
  6. Step 6: Final answer
    x = 29,761.25

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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.