Home / 39,444.52-54,433.74-21,539.20

Finding the Fourth Proportional to 39,444.52, 54,433.74 and 21,539.20

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Solution

The fourth proportional to 39,444.52, 54,433.74 and 21,539.20 is: 29,724.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,444.52 : 54,433.74 = 21,539.20 : x
  2. Step 2: Convert to fraction form
    39,444.52/54,433.74 = 21,539.20/x
  3. Step 3: Cross multiply
    39,444.52x = 54,433.74 × 21,539.20
  4. Step 4: Simplify right side
    39,444.52x = 1,172,459,212.61
  5. Step 5: Solve for x
    x = 1,172,459,212.61/39,444.52
  6. Step 6: Final answer
    x = 29,724.26

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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.