Home / 31,723.56-47,585.34-10,947.06

Finding the Fourth Proportional to 31,723.56, 47,585.34 and 10,947.06

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Solution

The fourth proportional to 31,723.56, 47,585.34 and 10,947.06 is: 16,420.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,723.56 : 47,585.34 = 10,947.06 : x
  2. Step 2: Convert to fraction form
    31,723.56/47,585.34 = 10,947.06/x
  3. Step 3: Cross multiply
    31,723.56x = 47,585.34 × 10,947.06
  4. Step 4: Simplify right side
    31,723.56x = 520,919,572.10
  5. Step 5: Solve for x
    x = 520,919,572.10/31,723.56
  6. Step 6: Final answer
    x = 16,420.59

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Double scale
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Similar ratio
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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.