Home / 45,194.18-67,763.93-20,229.57

Finding the Fourth Proportional to 45,194.18, 67,763.93 and 20,229.57

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Solution

The fourth proportional to 45,194.18, 67,763.93 and 20,229.57 is: 30,332.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,194.18 : 67,763.93 = 20,229.57 : x
  2. Step 2: Convert to fraction form
    45,194.18/67,763.93 = 20,229.57/x
  3. Step 3: Cross multiply
    45,194.18x = 67,763.93 × 20,229.57
  4. Step 4: Simplify right side
    45,194.18x = 1,370,835,064.26
  5. Step 5: Solve for x
    x = 1,370,835,064.26/45,194.18
  6. Step 6: Final answer
    x = 30,332.12

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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.