Home / 38,331.74-57,504.87-13,378.92

Finding the Fourth Proportional to 38,331.74, 57,504.87 and 13,378.92

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Solution

The fourth proportional to 38,331.74, 57,504.87 and 13,378.92 is: 20,070.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.74 : 57,504.87 = 13,378.92 : x
  2. Step 2: Convert to fraction form
    38,331.74/57,504.87 = 13,378.92/x
  3. Step 3: Cross multiply
    38,331.74x = 57,504.87 × 13,378.92
  4. Step 4: Simplify right side
    38,331.74x = 769,353,055.34
  5. Step 5: Solve for x
    x = 769,353,055.34/38,331.74
  6. Step 6: Final answer
    x = 20,070.92

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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.