Home / 39,470.30-54,468.08-21,565.34

Finding the Fourth Proportional to 39,470.30, 54,468.08 and 21,565.34

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Solution

The fourth proportional to 39,470.30, 54,468.08 and 21,565.34 is: 29,759.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.30 : 54,468.08 = 21,565.34 : x
  2. Step 2: Convert to fraction form
    39,470.30/54,468.08 = 21,565.34/x
  3. Step 3: Cross multiply
    39,470.30x = 54,468.08 × 21,565.34
  4. Step 4: Simplify right side
    39,470.30x = 1,174,622,664.35
  5. Step 5: Solve for x
    x = 1,174,622,664.35/39,470.30
  6. Step 6: Final answer
    x = 29,759.66

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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.