Home / 39,470.08-54,469.49-21,566.19

Finding the Fourth Proportional to 39,470.08, 54,469.49 and 21,566.19

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Solution

The fourth proportional to 39,470.08, 54,469.49 and 21,566.19 is: 29,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,470.08 : 54,469.49 = 21,566.19 : x
  2. Step 2: Convert to fraction form
    39,470.08/54,469.49 = 21,566.19/x
  3. Step 3: Cross multiply
    39,470.08x = 54,469.49 × 21,566.19
  4. Step 4: Simplify right side
    39,470.08x = 1,174,699,628.72
  5. Step 5: Solve for x
    x = 1,174,699,628.72/39,470.08
  6. Step 6: Final answer
    x = 29,761.78

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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.