Home / 55,715.28-76,876.12-33,050.04

Finding the Fourth Proportional to 55,715.28, 76,876.12 and 33,050.04

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Solution

The fourth proportional to 55,715.28, 76,876.12 and 33,050.04 is: 45,602.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,715.28 : 76,876.12 = 33,050.04 : x
  2. Step 2: Convert to fraction form
    55,715.28/76,876.12 = 33,050.04/x
  3. Step 3: Cross multiply
    55,715.28x = 76,876.12 × 33,050.04
  4. Step 4: Simplify right side
    55,715.28x = 2,540,758,841.04
  5. Step 5: Solve for x
    x = 2,540,758,841.04/55,715.28
  6. Step 6: Final answer
    x = 45,602.55

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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.