Home / 52,222.20-72,066.66-28,348.86

Finding the Fourth Proportional to 52,222.20, 72,066.66 and 28,348.86

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Solution

The fourth proportional to 52,222.20, 72,066.66 and 28,348.86 is: 39,121.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,222.20 : 72,066.66 = 28,348.86 : x
  2. Step 2: Convert to fraction form
    52,222.20/72,066.66 = 28,348.86/x
  3. Step 3: Cross multiply
    52,222.20x = 72,066.66 × 28,348.86
  4. Step 4: Simplify right side
    52,222.20x = 2,043,007,655.01
  5. Step 5: Solve for x
    x = 2,043,007,655.01/52,222.20
  6. Step 6: Final answer
    x = 39,121.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.