Home / 31,248.97-43,143.68-27,885.98

Finding the Fourth Proportional to 31,248.97, 43,143.68 and 27,885.98

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Solution

The fourth proportional to 31,248.97, 43,143.68 and 27,885.98 is: 38,500.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.97 : 43,143.68 = 27,885.98 : x
  2. Step 2: Convert to fraction form
    31,248.97/43,143.68 = 27,885.98/x
  3. Step 3: Cross multiply
    31,248.97x = 43,143.68 × 27,885.98
  4. Step 4: Simplify right side
    31,248.97x = 1,203,103,975.18
  5. Step 5: Solve for x
    x = 1,203,103,975.18/31,248.97
  6. Step 6: Final answer
    x = 38,500.60

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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.