Home / 67,800.60-101,689.32-17,881.18

Finding the Fourth Proportional to 67,800.60, 101,689.32 and 17,881.18

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Solution

The fourth proportional to 67,800.60, 101,689.32 and 17,881.18 is: 26,818.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,800.60 : 101,689.32 = 17,881.18 : x
  2. Step 2: Convert to fraction form
    67,800.60/101,689.32 = 17,881.18/x
  3. Step 3: Cross multiply
    67,800.60x = 101,689.32 × 17,881.18
  4. Step 4: Simplify right side
    67,800.60x = 1,818,325,035.00
  5. Step 5: Solve for x
    x = 1,818,325,035.00/67,800.60
  6. Step 6: Final answer
    x = 26,818.72

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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.