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Finding the Fourth Proportional to 57,881.46, 79,877.88 and 32,386.98

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Solution

The fourth proportional to 57,881.46, 79,877.88 and 32,386.98 is: 44,694.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,881.46 : 79,877.88 = 32,386.98 : x
  2. Step 2: Convert to fraction form
    57,881.46/79,877.88 = 32,386.98/x
  3. Step 3: Cross multiply
    57,881.46x = 79,877.88 × 32,386.98
  4. Step 4: Simplify right side
    57,881.46x = 2,587,003,302.00
  5. Step 5: Solve for x
    x = 2,587,003,302.00/57,881.46
  6. Step 6: Final answer
    x = 44,694.85

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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.