Home / 54,639.16-75,394.02-30,761.08

Finding the Fourth Proportional to 54,639.16, 75,394.02 and 30,761.08

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Solution

The fourth proportional to 54,639.16, 75,394.02 and 30,761.08 is: 42,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,639.16 : 75,394.02 = 30,761.08 : x
  2. Step 2: Convert to fraction form
    54,639.16/75,394.02 = 30,761.08/x
  3. Step 3: Cross multiply
    54,639.16x = 75,394.02 × 30,761.08
  4. Step 4: Simplify right side
    54,639.16x = 2,319,201,480.74
  5. Step 5: Solve for x
    x = 2,319,201,480.74/54,639.16
  6. Step 6: Final answer
    x = 42,445.77

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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.