Home / 51,249.04-70,723.56-28,892.88

Finding the Fourth Proportional to 51,249.04, 70,723.56 and 28,892.88

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Solution

The fourth proportional to 51,249.04, 70,723.56 and 28,892.88 is: 39,872.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,249.04 : 70,723.56 = 28,892.88 : x
  2. Step 2: Convert to fraction form
    51,249.04/70,723.56 = 28,892.88/x
  3. Step 3: Cross multiply
    51,249.04x = 70,723.56 × 28,892.88
  4. Step 4: Simplify right side
    51,249.04x = 2,043,407,332.25
  5. Step 5: Solve for x
    x = 2,043,407,332.25/51,249.04
  6. Step 6: Final answer
    x = 39,872.11

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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.