Home / 56,130.32-84,122.57-22,811.61

Finding the Fourth Proportional to 56,130.32, 84,122.57 and 22,811.61

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Solution

The fourth proportional to 56,130.32, 84,122.57 and 22,811.61 is: 34,187.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,130.32 : 84,122.57 = 22,811.61 : x
  2. Step 2: Convert to fraction form
    56,130.32/84,122.57 = 22,811.61/x
  3. Step 3: Cross multiply
    56,130.32x = 84,122.57 × 22,811.61
  4. Step 4: Simplify right side
    56,130.32x = 1,918,970,838.42
  5. Step 5: Solve for x
    x = 1,918,970,838.42/56,130.32
  6. Step 6: Final answer
    x = 34,187.78

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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.