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Finding the Fourth Proportional to 56,388.96, 77,825.05 and 32,510.96

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Solution

The fourth proportional to 56,388.96, 77,825.05 and 32,510.96 is: 44,869.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,388.96 : 77,825.05 = 32,510.96 : x
  2. Step 2: Convert to fraction form
    56,388.96/77,825.05 = 32,510.96/x
  3. Step 3: Cross multiply
    56,388.96x = 77,825.05 × 32,510.96
  4. Step 4: Simplify right side
    56,388.96x = 2,530,167,087.55
  5. Step 5: Solve for x
    x = 2,530,167,087.55/56,388.96
  6. Step 6: Final answer
    x = 44,869.90

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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.