Home / 67,988.11-101,947.15-30,516.06

Finding the Fourth Proportional to 67,988.11, 101,947.15 and 30,516.06

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Solution

The fourth proportional to 67,988.11, 101,947.15 and 30,516.06 is: 45,758.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,988.11 : 101,947.15 = 30,516.06 : x
  2. Step 2: Convert to fraction form
    67,988.11/101,947.15 = 30,516.06/x
  3. Step 3: Cross multiply
    67,988.11x = 101,947.15 × 30,516.06
  4. Step 4: Simplify right side
    67,988.11x = 3,111,025,346.23
  5. Step 5: Solve for x
    x = 3,111,025,346.23/67,988.11
  6. Step 6: Final answer
    x = 45,758.37

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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.