Home / 57,678.78-86,534.10-24,381.30

Finding the Fourth Proportional to 57,678.78, 86,534.10 and 24,381.30

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Solution

The fourth proportional to 57,678.78, 86,534.10 and 24,381.30 is: 36,578.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,678.78 : 86,534.10 = 24,381.30 : x
  2. Step 2: Convert to fraction form
    57,678.78/86,534.10 = 24,381.30/x
  3. Step 3: Cross multiply
    57,678.78x = 86,534.10 × 24,381.30
  4. Step 4: Simplify right side
    57,678.78x = 2,109,813,852.33
  5. Step 5: Solve for x
    x = 2,109,813,852.33/57,678.78
  6. Step 6: Final answer
    x = 36,578.68

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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.