Home / 31,561.07-47,344.23-9,071.82

Finding the Fourth Proportional to 31,561.07, 47,344.23 and 9,071.82

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Solution

The fourth proportional to 31,561.07, 47,344.23 and 9,071.82 is: 13,608.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,561.07 : 47,344.23 = 9,071.82 : x
  2. Step 2: Convert to fraction form
    31,561.07/47,344.23 = 9,071.82/x
  3. Step 3: Cross multiply
    31,561.07x = 47,344.23 × 9,071.82
  4. Step 4: Simplify right side
    31,561.07x = 429,498,332.60
  5. Step 5: Solve for x
    x = 429,498,332.60/31,561.07
  6. Step 6: Final answer
    x = 13,608.49

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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.