Home / 66,486.27-91,741.98-38,191.96

Finding the Fourth Proportional to 66,486.27, 91,741.98 and 38,191.96

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Solution

The fourth proportional to 66,486.27, 91,741.98 and 38,191.96 is: 52,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,486.27 : 91,741.98 = 38,191.96 : x
  2. Step 2: Convert to fraction form
    66,486.27/91,741.98 = 38,191.96/x
  3. Step 3: Cross multiply
    66,486.27x = 91,741.98 × 38,191.96
  4. Step 4: Simplify right side
    66,486.27x = 3,503,806,030.48
  5. Step 5: Solve for x
    x = 3,503,806,030.48/66,486.27
  6. Step 6: Final answer
    x = 52,699.69

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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.