Home / 67,696.07-101,560.33-20,948.95

Finding the Fourth Proportional to 67,696.07, 101,560.33 and 20,948.95

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Solution

The fourth proportional to 67,696.07, 101,560.33 and 20,948.95 is: 31,428.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,696.07 : 101,560.33 = 20,948.95 : x
  2. Step 2: Convert to fraction form
    67,696.07/101,560.33 = 20,948.95/x
  3. Step 3: Cross multiply
    67,696.07x = 101,560.33 × 20,948.95
  4. Step 4: Simplify right side
    67,696.07x = 2,127,581,767.35
  5. Step 5: Solve for x
    x = 2,127,581,767.35/67,696.07
  6. Step 6: Final answer
    x = 31,428.44

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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.