Home / 56,046.70-77,343.38-30,553.30

Finding the Fourth Proportional to 56,046.70, 77,343.38 and 30,553.30

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Solution

The fourth proportional to 56,046.70, 77,343.38 and 30,553.30 is: 42,162.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,046.70 : 77,343.38 = 30,553.30 : x
  2. Step 2: Convert to fraction form
    56,046.70/77,343.38 = 30,553.30/x
  3. Step 3: Cross multiply
    56,046.70x = 77,343.38 × 30,553.30
  4. Step 4: Simplify right side
    56,046.70x = 2,363,095,492.15
  5. Step 5: Solve for x
    x = 2,363,095,492.15/56,046.70
  6. Step 6: Final answer
    x = 42,162.97

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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.