Home / 48,223.45-72,300.13-20,151.55

Finding the Fourth Proportional to 48,223.45, 72,300.13 and 20,151.55

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Solution

The fourth proportional to 48,223.45, 72,300.13 and 20,151.55 is: 30,212.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,223.45 : 72,300.13 = 20,151.55 : x
  2. Step 2: Convert to fraction form
    48,223.45/72,300.13 = 20,151.55/x
  3. Step 3: Cross multiply
    48,223.45x = 72,300.13 × 20,151.55
  4. Step 4: Simplify right side
    48,223.45x = 1,456,959,684.70
  5. Step 5: Solve for x
    x = 1,456,959,684.70/48,223.45
  6. Step 6: Final answer
    x = 30,212.68

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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.