Home / 55,776.32-83,665.49-20,262.86

Finding the Fourth Proportional to 55,776.32, 83,665.49 and 20,262.86

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Solution

The fourth proportional to 55,776.32, 83,665.49 and 20,262.86 is: 30,394.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,776.32 : 83,665.49 = 20,262.86 : x
  2. Step 2: Convert to fraction form
    55,776.32/83,665.49 = 20,262.86/x
  3. Step 3: Cross multiply
    55,776.32x = 83,665.49 × 20,262.86
  4. Step 4: Simplify right side
    55,776.32x = 1,695,301,591.06
  5. Step 5: Solve for x
    x = 1,695,301,591.06/55,776.32
  6. Step 6: Final answer
    x = 30,394.65

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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.