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Finding the Fourth Proportional to 60,607.92, 90,926.18 and 19,054.92

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Solution

The fourth proportional to 60,607.92, 90,926.18 and 19,054.92 is: 28,586.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,607.92 : 90,926.18 = 19,054.92 : x
  2. Step 2: Convert to fraction form
    60,607.92/90,926.18 = 19,054.92/x
  3. Step 3: Cross multiply
    60,607.92x = 90,926.18 × 19,054.92
  4. Step 4: Simplify right side
    60,607.92x = 1,732,590,631.17
  5. Step 5: Solve for x
    x = 1,732,590,631.17/60,607.92
  6. Step 6: Final answer
    x = 28,586.87

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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.