Home / 67,988.18-101,947.22-30,516.13

Finding the Fourth Proportional to 67,988.18, 101,947.22 and 30,516.13

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Solution

The fourth proportional to 67,988.18, 101,947.22 and 30,516.13 is: 45,758.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,988.18 : 101,947.22 = 30,516.13 : x
  2. Step 2: Convert to fraction form
    67,988.18/101,947.22 = 30,516.13/x
  3. Step 3: Cross multiply
    67,988.18x = 101,947.22 × 30,516.13
  4. Step 4: Simplify right side
    67,988.18x = 3,111,034,879.60
  5. Step 5: Solve for x
    x = 3,111,034,879.60/67,988.18
  6. Step 6: Final answer
    x = 45,758.47

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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.