Home / 63,454.55-87,557.82-39,279.83

Finding the Fourth Proportional to 63,454.55, 87,557.82 and 39,279.83

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Solution

The fourth proportional to 63,454.55, 87,557.82 and 39,279.83 is: 54,200.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,454.55 : 87,557.82 = 39,279.83 : x
  2. Step 2: Convert to fraction form
    63,454.55/87,557.82 = 39,279.83/x
  3. Step 3: Cross multiply
    63,454.55x = 87,557.82 × 39,279.83
  4. Step 4: Simplify right side
    63,454.55x = 3,439,256,302.67
  5. Step 5: Solve for x
    x = 3,439,256,302.67/63,454.55
  6. Step 6: Final answer
    x = 54,200.31

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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.