Home / 31,356.06-47,035.17-15,765.18

Finding the Fourth Proportional to 31,356.06, 47,035.17 and 15,765.18

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Solution

The fourth proportional to 31,356.06, 47,035.17 and 15,765.18 is: 23,648.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,356.06 : 47,035.17 = 15,765.18 : x
  2. Step 2: Convert to fraction form
    31,356.06/47,035.17 = 15,765.18/x
  3. Step 3: Cross multiply
    31,356.06x = 47,035.17 × 15,765.18
  4. Step 4: Simplify right side
    31,356.06x = 741,517,921.38
  5. Step 5: Solve for x
    x = 741,517,921.38/31,356.06
  6. Step 6: Final answer
    x = 23,648.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.