Home / 31,366.80-47,045.43-9,174.24

Finding the Fourth Proportional to 31,366.80, 47,045.43 and 9,174.24

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Solution

The fourth proportional to 31,366.80, 47,045.43 and 9,174.24 is: 13,759.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,366.80 : 47,045.43 = 9,174.24 : x
  2. Step 2: Convert to fraction form
    31,366.80/47,045.43 = 9,174.24/x
  3. Step 3: Cross multiply
    31,366.80x = 47,045.43 × 9,174.24
  4. Step 4: Simplify right side
    31,366.80x = 431,606,065.72
  5. Step 5: Solve for x
    x = 431,606,065.72/31,366.80
  6. Step 6: Final answer
    x = 13,759.96

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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.