Home / 31,248.96-43,143.69-27,885.99

Finding the Fourth Proportional to 31,248.96, 43,143.69 and 27,885.99

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Solution

The fourth proportional to 31,248.96, 43,143.69 and 27,885.99 is: 38,500.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.96 : 43,143.69 = 27,885.99 : x
  2. Step 2: Convert to fraction form
    31,248.96/43,143.69 = 27,885.99/x
  3. Step 3: Cross multiply
    31,248.96x = 43,143.69 × 27,885.99
  4. Step 4: Simplify right side
    31,248.96x = 1,203,104,507.90
  5. Step 5: Solve for x
    x = 1,203,104,507.90/31,248.96
  6. Step 6: Final answer
    x = 38,500.63

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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.