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Finding the Fourth Proportional to 36,088, 54,145.87 and 25,424.61

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Solution

The fourth proportional to 36,088, 54,145.87 and 25,424.61 is: 38,146.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,088 : 54,145.87 = 25,424.61 : x
  2. Step 2: Convert to fraction form
    36,088/54,145.87 = 25,424.61/x
  3. Step 3: Cross multiply
    36,088x = 54,145.87 × 25,424.61
  4. Step 4: Simplify right side
    36,088x = 1,376,637,627.86
  5. Step 5: Solve for x
    x = 1,376,637,627.86/36,088
  6. Step 6: Final answer
    x = 38,146.69

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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.