Home / 56,217.92-84,335.52-18,766.40

Finding the Fourth Proportional to 56,217.92, 84,335.52 and 18,766.40

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Solution

The fourth proportional to 56,217.92, 84,335.52 and 18,766.40 is: 28,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,217.92 : 84,335.52 = 18,766.40 : x
  2. Step 2: Convert to fraction form
    56,217.92/84,335.52 = 18,766.40/x
  3. Step 3: Cross multiply
    56,217.92x = 84,335.52 × 18,766.40
  4. Step 4: Simplify right side
    56,217.92x = 1,582,674,102.53
  5. Step 5: Solve for x
    x = 1,582,674,102.53/56,217.92
  6. Step 6: Final answer
    x = 28,152.48

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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.