Home / 31,047.21-42,736.96-27,061.38

Finding the Fourth Proportional to 31,047.21, 42,736.96 and 27,061.38

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Solution

The fourth proportional to 31,047.21, 42,736.96 and 27,061.38 is: 37,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,047.21 : 42,736.96 = 27,061.38 : x
  2. Step 2: Convert to fraction form
    31,047.21/42,736.96 = 27,061.38/x
  3. Step 3: Cross multiply
    31,047.21x = 42,736.96 × 27,061.38
  4. Step 4: Simplify right side
    31,047.21x = 1,156,520,765.61
  5. Step 5: Solve for x
    x = 1,156,520,765.61/31,047.21
  6. Step 6: Final answer
    x = 37,250.40

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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.