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Finding the Fourth Proportional to 57,901.89, 79,898.96 and 32,406.74

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Solution

The fourth proportional to 57,901.89, 79,898.96 and 32,406.74 is: 44,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,901.89 : 79,898.96 = 32,406.74 : x
  2. Step 2: Convert to fraction form
    57,901.89/79,898.96 = 32,406.74/x
  3. Step 3: Cross multiply
    57,901.89x = 79,898.96 × 32,406.74
  4. Step 4: Simplify right side
    57,901.89x = 2,589,264,822.99
  5. Step 5: Solve for x
    x = 2,589,264,822.99/57,901.89
  6. Step 6: Final answer
    x = 44,718.14

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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.