Home / 55,943.68-77,202.30-30,793

Finding the Fourth Proportional to 55,943.68, 77,202.30 and 30,793

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Solution

The fourth proportional to 55,943.68, 77,202.30 and 30,793 is: 42,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,943.68 : 77,202.30 = 30,793 : x
  2. Step 2: Convert to fraction form
    55,943.68/77,202.30 = 30,793/x
  3. Step 3: Cross multiply
    55,943.68x = 77,202.30 × 30,793
  4. Step 4: Simplify right side
    55,943.68x = 2,377,290,423.90
  5. Step 5: Solve for x
    x = 2,377,290,423.90/55,943.68
  6. Step 6: Final answer
    x = 42,494.35

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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.