Home / 38,331.10-57,503.96-13,378.27

Finding the Fourth Proportional to 38,331.10, 57,503.96 and 13,378.27

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Solution

The fourth proportional to 38,331.10, 57,503.96 and 13,378.27 is: 20,069.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,331.10 : 57,503.96 = 13,378.27 : x
  2. Step 2: Convert to fraction form
    38,331.10/57,503.96 = 13,378.27/x
  3. Step 3: Cross multiply
    38,331.10x = 57,503.96 × 13,378.27
  4. Step 4: Simplify right side
    38,331.10x = 769,303,502.95
  5. Step 5: Solve for x
    x = 769,303,502.95/38,331.10
  6. Step 6: Final answer
    x = 20,069.96

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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.