Home / 56,218.92-84,337.02-18,767.40

Finding the Fourth Proportional to 56,218.92, 84,337.02 and 18,767.40

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Solution

The fourth proportional to 56,218.92, 84,337.02 and 18,767.40 is: 28,153.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,218.92 : 84,337.02 = 18,767.40 : x
  2. Step 2: Convert to fraction form
    56,218.92/84,337.02 = 18,767.40/x
  3. Step 3: Cross multiply
    56,218.92x = 84,337.02 × 18,767.40
  4. Step 4: Simplify right side
    56,218.92x = 1,582,786,589.15
  5. Step 5: Solve for x
    x = 1,582,786,589.15/56,218.92
  6. Step 6: Final answer
    x = 28,153.98

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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.