Home / 63,590.24-87,751.40-34,909.20

Finding the Fourth Proportional to 63,590.24, 87,751.40 and 34,909.20

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Solution

The fourth proportional to 63,590.24, 87,751.40 and 34,909.20 is: 48,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,590.24 : 87,751.40 = 34,909.20 : x
  2. Step 2: Convert to fraction form
    63,590.24/87,751.40 = 34,909.20/x
  3. Step 3: Cross multiply
    63,590.24x = 87,751.40 × 34,909.20
  4. Step 4: Simplify right side
    63,590.24x = 3,063,331,172.88
  5. Step 5: Solve for x
    x = 3,063,331,172.88/63,590.24
  6. Step 6: Final answer
    x = 48,172.98

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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.