Home / 39,444.07-54,432.60-21,539.08

Finding the Fourth Proportional to 39,444.07, 54,432.60 and 21,539.08

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Solution

The fourth proportional to 39,444.07, 54,432.60 and 21,539.08 is: 29,723.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.07 : 54,432.60 = 21,539.08 : x
  2. Step 2: Convert to fraction form
    39,444.07/54,432.60 = 21,539.08/x
  3. Step 3: Cross multiply
    39,444.07x = 54,432.60 × 21,539.08
  4. Step 4: Simplify right side
    39,444.07x = 1,172,428,126.01
  5. Step 5: Solve for x
    x = 1,172,428,126.01/39,444.07
  6. Step 6: Final answer
    x = 29,723.81

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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.