Home / 63,680.56-95,488-28,590.12

Finding the Fourth Proportional to 63,680.56, 95,488 and 28,590.12

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Solution

The fourth proportional to 63,680.56, 95,488 and 28,590.12 is: 42,870.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,680.56 : 95,488 = 28,590.12 : x
  2. Step 2: Convert to fraction form
    63,680.56/95,488 = 28,590.12/x
  3. Step 3: Cross multiply
    63,680.56x = 95,488 × 28,590.12
  4. Step 4: Simplify right side
    63,680.56x = 2,730,013,378.56
  5. Step 5: Solve for x
    x = 2,730,013,378.56/63,680.56
  6. Step 6: Final answer
    x = 42,870.44

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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.