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Finding the Fourth Proportional to 63,641.38, 87,826.92 and 35,348.89

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Solution

The fourth proportional to 63,641.38, 87,826.92 and 35,348.89 is: 48,782.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,641.38 : 87,826.92 = 35,348.89 : x
  2. Step 2: Convert to fraction form
    63,641.38/87,826.92 = 35,348.89/x
  3. Step 3: Cross multiply
    63,641.38x = 87,826.92 × 35,348.89
  4. Step 4: Simplify right side
    63,641.38x = 3,104,583,694.98
  5. Step 5: Solve for x
    x = 3,104,583,694.98/63,641.38
  6. Step 6: Final answer
    x = 48,782.47

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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.