Home / 67,298.12-100,941.76-17,380

Finding the Fourth Proportional to 67,298.12, 100,941.76 and 17,380

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Solution

The fourth proportional to 67,298.12, 100,941.76 and 17,380 is: 26,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,298.12 : 100,941.76 = 17,380 : x
  2. Step 2: Convert to fraction form
    67,298.12/100,941.76 = 17,380/x
  3. Step 3: Cross multiply
    67,298.12x = 100,941.76 × 17,380
  4. Step 4: Simplify right side
    67,298.12x = 1,754,367,788.80
  5. Step 5: Solve for x
    x = 1,754,367,788.80/67,298.12
  6. Step 6: Final answer
    x = 26,068.60

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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.