Home / 68,437.11-94,441.29-38,221.55

Finding the Fourth Proportional to 68,437.11, 94,441.29 and 38,221.55

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Solution

The fourth proportional to 68,437.11, 94,441.29 and 38,221.55 is: 52,744.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,437.11 : 94,441.29 = 38,221.55 : x
  2. Step 2: Convert to fraction form
    68,437.11/94,441.29 = 38,221.55/x
  3. Step 3: Cross multiply
    68,437.11x = 94,441.29 × 38,221.55
  4. Step 4: Simplify right side
    68,437.11x = 3,609,692,015.59
  5. Step 5: Solve for x
    x = 3,609,692,015.59/68,437.11
  6. Step 6: Final answer
    x = 52,744.66

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.