Home / 31,697.38-47,538.36-10,631.96

Finding the Fourth Proportional to 31,697.38, 47,538.36 and 10,631.96

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Solution

The fourth proportional to 31,697.38, 47,538.36 and 10,631.96 is: 15,945.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,697.38 : 47,538.36 = 10,631.96 : x
  2. Step 2: Convert to fraction form
    31,697.38/47,538.36 = 10,631.96/x
  3. Step 3: Cross multiply
    31,697.38x = 47,538.36 × 10,631.96
  4. Step 4: Simplify right side
    31,697.38x = 505,425,651.13
  5. Step 5: Solve for x
    x = 505,425,651.13/31,697.38
  6. Step 6: Final answer
    x = 15,945.35

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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.