Home / 38,659.48-57,989.18-10,579.78

Finding the Fourth Proportional to 38,659.48, 57,989.18 and 10,579.78

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Solution

The fourth proportional to 38,659.48, 57,989.18 and 10,579.78 is: 15,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,659.48 : 57,989.18 = 10,579.78 : x
  2. Step 2: Convert to fraction form
    38,659.48/57,989.18 = 10,579.78/x
  3. Step 3: Cross multiply
    38,659.48x = 57,989.18 × 10,579.78
  4. Step 4: Simplify right side
    38,659.48x = 613,512,943.40
  5. Step 5: Solve for x
    x = 613,512,943.40/38,659.48
  6. Step 6: Final answer
    x = 15,869.66

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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.