Home / 54,663.52-75,435.92-30,790.57

Finding the Fourth Proportional to 54,663.52, 75,435.92 and 30,790.57

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Solution

The fourth proportional to 54,663.52, 75,435.92 and 30,790.57 is: 42,491.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,663.52 : 75,435.92 = 30,790.57 : x
  2. Step 2: Convert to fraction form
    54,663.52/75,435.92 = 30,790.57/x
  3. Step 3: Cross multiply
    54,663.52x = 75,435.92 × 30,790.57
  4. Step 4: Simplify right side
    54,663.52x = 2,322,714,748.20
  5. Step 5: Solve for x
    x = 2,322,714,748.20/54,663.52
  6. Step 6: Final answer
    x = 42,491.13

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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.