Home / 54,635.32-75,390.51-30,761.38

Finding the Fourth Proportional to 54,635.32, 75,390.51 and 30,761.38

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Solution

The fourth proportional to 54,635.32, 75,390.51 and 30,761.38 is: 42,447.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.32 : 75,390.51 = 30,761.38 : x
  2. Step 2: Convert to fraction form
    54,635.32/75,390.51 = 30,761.38/x
  3. Step 3: Cross multiply
    54,635.32x = 75,390.51 × 30,761.38
  4. Step 4: Simplify right side
    54,635.32x = 2,319,116,126.50
  5. Step 5: Solve for x
    x = 2,319,116,126.50/54,635.32
  6. Step 6: Final answer
    x = 42,447.20

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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.