Home / 39,470.04-54,467.78-21,565.13

Finding the Fourth Proportional to 39,470.04, 54,467.78 and 21,565.13

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Solution

The fourth proportional to 39,470.04, 54,467.78 and 21,565.13 is: 29,759.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.04 : 54,467.78 = 21,565.13 : x
  2. Step 2: Convert to fraction form
    39,470.04/54,467.78 = 21,565.13/x
  3. Step 3: Cross multiply
    39,470.04x = 54,467.78 × 21,565.13
  4. Step 4: Simplify right side
    39,470.04x = 1,174,604,376.35
  5. Step 5: Solve for x
    x = 1,174,604,376.35/39,470.04
  6. Step 6: Final answer
    x = 29,759.39

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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.