Home / 38,254.74-57,382.12-11,959.72

Finding the Fourth Proportional to 38,254.74, 57,382.12 and 11,959.72

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Solution

The fourth proportional to 38,254.74, 57,382.12 and 11,959.72 is: 17,939.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.74 : 57,382.12 = 11,959.72 : x
  2. Step 2: Convert to fraction form
    38,254.74/57,382.12 = 11,959.72/x
  3. Step 3: Cross multiply
    38,254.74x = 57,382.12 × 11,959.72
  4. Step 4: Simplify right side
    38,254.74x = 686,274,088.21
  5. Step 5: Solve for x
    x = 686,274,088.21/38,254.74
  6. Step 6: Final answer
    x = 17,939.58

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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.