Home / 54,665.66-75,437.25-30,790.91

Finding the Fourth Proportional to 54,665.66, 75,437.25 and 30,790.91

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Solution

The fourth proportional to 54,665.66, 75,437.25 and 30,790.91 is: 42,490.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,665.66 : 75,437.25 = 30,790.91 : x
  2. Step 2: Convert to fraction form
    54,665.66/75,437.25 = 30,790.91/x
  3. Step 3: Cross multiply
    54,665.66x = 75,437.25 × 30,790.91
  4. Step 4: Simplify right side
    54,665.66x = 2,322,781,575.40
  5. Step 5: Solve for x
    x = 2,322,781,575.40/54,665.66
  6. Step 6: Final answer
    x = 42,490.69

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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.