Home / 54,581.26-75,322.10-30,707.87

Finding the Fourth Proportional to 54,581.26, 75,322.10 and 30,707.87

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Solution

The fourth proportional to 54,581.26, 75,322.10 and 30,707.87 is: 42,376.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,581.26 : 75,322.10 = 30,707.87 : x
  2. Step 2: Convert to fraction form
    54,581.26/75,322.10 = 30,707.87/x
  3. Step 3: Cross multiply
    54,581.26x = 75,322.10 × 30,707.87
  4. Step 4: Simplify right side
    54,581.26x = 2,312,981,484.69
  5. Step 5: Solve for x
    x = 2,312,981,484.69/54,581.26
  6. Step 6: Final answer
    x = 42,376.85

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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.