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Finding the Fourth Proportional to 56,458.96, 77,919.78 and 32,592.04

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Solution

The fourth proportional to 56,458.96, 77,919.78 and 32,592.04 is: 44,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,458.96 : 77,919.78 = 32,592.04 : x
  2. Step 2: Convert to fraction form
    56,458.96/77,919.78 = 32,592.04/x
  3. Step 3: Cross multiply
    56,458.96x = 77,919.78 × 32,592.04
  4. Step 4: Simplify right side
    56,458.96x = 2,539,564,586.55
  5. Step 5: Solve for x
    x = 2,539,564,586.55/56,458.96
  6. Step 6: Final answer
    x = 44,980.72

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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.