Home / 63,639.72-95,471.33-20,947.55

Finding the Fourth Proportional to 63,639.72, 95,471.33 and 20,947.55

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Solution

The fourth proportional to 63,639.72, 95,471.33 and 20,947.55 is: 31,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,639.72 : 95,471.33 = 20,947.55 : x
  2. Step 2: Convert to fraction form
    63,639.72/95,471.33 = 20,947.55/x
  3. Step 3: Cross multiply
    63,639.72x = 95,471.33 × 20,947.55
  4. Step 4: Simplify right side
    63,639.72x = 1,999,889,876.65
  5. Step 5: Solve for x
    x = 1,999,889,876.65/63,639.72
  6. Step 6: Final answer
    x = 31,425.18

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1.5x scale

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.