Home / 55,398.96-83,095.68-20,335.86

Finding the Fourth Proportional to 55,398.96, 83,095.68 and 20,335.86

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Solution

The fourth proportional to 55,398.96, 83,095.68 and 20,335.86 is: 30,502.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.96 : 83,095.68 = 20,335.86 : x
  2. Step 2: Convert to fraction form
    55,398.96/83,095.68 = 20,335.86/x
  3. Step 3: Cross multiply
    55,398.96x = 83,095.68 × 20,335.86
  4. Step 4: Simplify right side
    55,398.96x = 1,689,822,115.08
  5. Step 5: Solve for x
    x = 1,689,822,115.08/55,398.96
  6. Step 6: Final answer
    x = 30,502.78

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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.