Home / 39,468.34-54,470.07-21,566.05

Finding the Fourth Proportional to 39,468.34, 54,470.07 and 21,566.05

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Solution

The fourth proportional to 39,468.34, 54,470.07 and 21,566.05 is: 29,763.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,468.34 : 54,470.07 = 21,566.05 : x
  2. Step 2: Convert to fraction form
    39,468.34/54,470.07 = 21,566.05/x
  3. Step 3: Cross multiply
    39,468.34x = 54,470.07 × 21,566.05
  4. Step 4: Simplify right side
    39,468.34x = 1,174,704,253.12
  5. Step 5: Solve for x
    x = 1,174,704,253.12/39,468.34
  6. Step 6: Final answer
    x = 29,763.20

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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.