Home / 48,036.74-66,268.17-31,046.31

Finding the Fourth Proportional to 48,036.74, 66,268.17 and 31,046.31

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Solution

The fourth proportional to 48,036.74, 66,268.17 and 31,046.31 is: 42,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,036.74 : 66,268.17 = 31,046.31 : x
  2. Step 2: Convert to fraction form
    48,036.74/66,268.17 = 31,046.31/x
  3. Step 3: Cross multiply
    48,036.74x = 66,268.17 × 31,046.31
  4. Step 4: Simplify right side
    48,036.74x = 2,057,382,148.95
  5. Step 5: Solve for x
    x = 2,057,382,148.95/48,036.74
  6. Step 6: Final answer
    x = 42,829.35

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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.