Home / 38,634.17-57,959.59-11,979.63

Finding the Fourth Proportional to 38,634.17, 57,959.59 and 11,979.63

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Solution

The fourth proportional to 38,634.17, 57,959.59 and 11,979.63 is: 17,972.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,634.17 : 57,959.59 = 11,979.63 : x
  2. Step 2: Convert to fraction form
    38,634.17/57,959.59 = 11,979.63/x
  3. Step 3: Cross multiply
    38,634.17x = 57,959.59 × 11,979.63
  4. Step 4: Simplify right side
    38,634.17x = 694,334,165.91
  5. Step 5: Solve for x
    x = 694,334,165.91/38,634.17
  6. Step 6: Final answer
    x = 17,972.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.