Home / 38,420.37-57,630.55-10,340.49

Finding the Fourth Proportional to 38,420.37, 57,630.55 and 10,340.49

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Solution

The fourth proportional to 38,420.37, 57,630.55 and 10,340.49 is: 15,510.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,420.37 : 57,630.55 = 10,340.49 : x
  2. Step 2: Convert to fraction form
    38,420.37/57,630.55 = 10,340.49/x
  3. Step 3: Cross multiply
    38,420.37x = 57,630.55 × 10,340.49
  4. Step 4: Simplify right side
    38,420.37x = 595,928,125.97
  5. Step 5: Solve for x
    x = 595,928,125.97/38,420.37
  6. Step 6: Final answer
    x = 15,510.73

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Similar ratio
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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.