Home / 70,046.31-96,663.79-38,215.20

Finding the Fourth Proportional to 70,046.31, 96,663.79 and 38,215.20

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Solution

The fourth proportional to 70,046.31, 96,663.79 and 38,215.20 is: 52,736.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,046.31 : 96,663.79 = 38,215.20 : x
  2. Step 2: Convert to fraction form
    70,046.31/96,663.79 = 38,215.20/x
  3. Step 3: Cross multiply
    70,046.31x = 96,663.79 × 38,215.20
  4. Step 4: Simplify right side
    70,046.31x = 3,694,026,067.61
  5. Step 5: Solve for x
    x = 3,694,026,067.61/70,046.31
  6. Step 6: Final answer
    x = 52,736.91

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1.5x scale

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.