Home / 63,670.86-87,868.16-38,181.38

Finding the Fourth Proportional to 63,670.86, 87,868.16 and 38,181.38

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Solution

The fourth proportional to 63,670.86, 87,868.16 and 38,181.38 is: 52,691.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,670.86 : 87,868.16 = 38,181.38 : x
  2. Step 2: Convert to fraction form
    63,670.86/87,868.16 = 38,181.38/x
  3. Step 3: Cross multiply
    63,670.86x = 87,868.16 × 38,181.38
  4. Step 4: Simplify right side
    63,670.86x = 3,354,926,976.61
  5. Step 5: Solve for x
    x = 3,354,926,976.61/63,670.86
  6. Step 6: Final answer
    x = 52,691.72

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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.