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Finding the Fourth Proportional to 48,691.64, 73,041.64 and 17,098.98

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Solution

The fourth proportional to 48,691.64, 73,041.64 and 17,098.98 is: 25,649.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,691.64 : 73,041.64 = 17,098.98 : x
  2. Step 2: Convert to fraction form
    48,691.64/73,041.64 = 17,098.98/x
  3. Step 3: Cross multiply
    48,691.64x = 73,041.64 × 17,098.98
  4. Step 4: Simplify right side
    48,691.64x = 1,248,937,541.53
  5. Step 5: Solve for x
    x = 1,248,937,541.53/48,691.64
  6. Step 6: Final answer
    x = 25,649.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.