Home / 67,545.84-101,316.33-20,797.50

Finding the Fourth Proportional to 67,545.84, 101,316.33 and 20,797.50

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Solution

The fourth proportional to 67,545.84, 101,316.33 and 20,797.50 is: 31,195.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,545.84 : 101,316.33 = 20,797.50 : x
  2. Step 2: Convert to fraction form
    67,545.84/101,316.33 = 20,797.50/x
  3. Step 3: Cross multiply
    67,545.84x = 101,316.33 × 20,797.50
  4. Step 4: Simplify right side
    67,545.84x = 2,107,126,373.18
  5. Step 5: Solve for x
    x = 2,107,126,373.18/67,545.84
  6. Step 6: Final answer
    x = 31,195.50

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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.