Home / 54,621.81-75,385.28-30,753.14

Finding the Fourth Proportional to 54,621.81, 75,385.28 and 30,753.14

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Solution

The fourth proportional to 54,621.81, 75,385.28 and 30,753.14 is: 42,443.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,621.81 : 75,385.28 = 30,753.14 : x
  2. Step 2: Convert to fraction form
    54,621.81/75,385.28 = 30,753.14/x
  3. Step 3: Cross multiply
    54,621.81x = 75,385.28 × 30,753.14
  4. Step 4: Simplify right side
    54,621.81x = 2,318,333,769.74
  5. Step 5: Solve for x
    x = 2,318,333,769.74/54,621.81
  6. Step 6: Final answer
    x = 42,443.37

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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.