Home / 55,877.28-77,077.92-36,005.28

Finding the Fourth Proportional to 55,877.28, 77,077.92 and 36,005.28

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Solution

The fourth proportional to 55,877.28, 77,077.92 and 36,005.28 is: 49,666.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,877.28 : 77,077.92 = 36,005.28 : x
  2. Step 2: Convert to fraction form
    55,877.28/77,077.92 = 36,005.28/x
  3. Step 3: Cross multiply
    55,877.28x = 77,077.92 × 36,005.28
  4. Step 4: Simplify right side
    55,877.28x = 2,775,212,091.42
  5. Step 5: Solve for x
    x = 2,775,212,091.42/55,877.28
  6. Step 6: Final answer
    x = 49,666.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.