Home / 38,436.66-57,660.06-13,474.80

Finding the Fourth Proportional to 38,436.66, 57,660.06 and 13,474.80

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Solution

The fourth proportional to 38,436.66, 57,660.06 and 13,474.80 is: 20,213.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,436.66 : 57,660.06 = 13,474.80 : x
  2. Step 2: Convert to fraction form
    38,436.66/57,660.06 = 13,474.80/x
  3. Step 3: Cross multiply
    38,436.66x = 57,660.06 × 13,474.80
  4. Step 4: Simplify right side
    38,436.66x = 776,957,776.49
  5. Step 5: Solve for x
    x = 776,957,776.49/38,436.66
  6. Step 6: Final answer
    x = 20,213.98

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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.