Home / 63,613.40-95,420.10-19,271.30

Finding the Fourth Proportional to 63,613.40, 95,420.10 and 19,271.30

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Solution

The fourth proportional to 63,613.40, 95,420.10 and 19,271.30 is: 28,906.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,613.40 : 95,420.10 = 19,271.30 : x
  2. Step 2: Convert to fraction form
    63,613.40/95,420.10 = 19,271.30/x
  3. Step 3: Cross multiply
    63,613.40x = 95,420.10 × 19,271.30
  4. Step 4: Simplify right side
    63,613.40x = 1,838,869,373.13
  5. Step 5: Solve for x
    x = 1,838,869,373.13/63,613.40
  6. Step 6: Final answer
    x = 28,906.95

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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.