Home / 63,639.18-95,470.52-20,947.02

Finding the Fourth Proportional to 63,639.18, 95,470.52 and 20,947.02

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Solution

The fourth proportional to 63,639.18, 95,470.52 and 20,947.02 is: 31,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.18 : 95,470.52 = 20,947.02 : x
  2. Step 2: Convert to fraction form
    63,639.18/95,470.52 = 20,947.02/x
  3. Step 3: Cross multiply
    63,639.18x = 95,470.52 × 20,947.02
  4. Step 4: Simplify right side
    63,639.18x = 1,999,822,787.12
  5. Step 5: Solve for x
    x = 1,999,822,787.12/63,639.18
  6. Step 6: Final answer
    x = 31,424.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.