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Finding the Fourth Proportional to 59,385.88, 81,895.96 and 35,508.68

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Solution

The fourth proportional to 59,385.88, 81,895.96 and 35,508.68 is: 48,968.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,385.88 : 81,895.96 = 35,508.68 : x
  2. Step 2: Convert to fraction form
    59,385.88/81,895.96 = 35,508.68/x
  3. Step 3: Cross multiply
    59,385.88x = 81,895.96 × 35,508.68
  4. Step 4: Simplify right side
    59,385.88x = 2,908,017,436.93
  5. Step 5: Solve for x
    x = 2,908,017,436.93/59,385.88
  6. Step 6: Final answer
    x = 48,968.16

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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.