Home / 38,254.60-57,381.94-11,959.48

Finding the Fourth Proportional to 38,254.60, 57,381.94 and 11,959.48

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Solution

The fourth proportional to 38,254.60, 57,381.94 and 11,959.48 is: 17,939.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,254.60 : 57,381.94 = 11,959.48 : x
  2. Step 2: Convert to fraction form
    38,254.60/57,381.94 = 11,959.48/x
  3. Step 3: Cross multiply
    38,254.60x = 57,381.94 × 11,959.48
  4. Step 4: Simplify right side
    38,254.60x = 686,258,163.79
  5. Step 5: Solve for x
    x = 686,258,163.79/38,254.60
  6. Step 6: Final answer
    x = 17,939.23

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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.