Home / 31,362.98-47,044.87-9,176.81

Finding the Fourth Proportional to 31,362.98, 47,044.87 and 9,176.81

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Solution

The fourth proportional to 31,362.98, 47,044.87 and 9,176.81 is: 13,765.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,362.98 : 47,044.87 = 9,176.81 : x
  2. Step 2: Convert to fraction form
    31,362.98/47,044.87 = 9,176.81/x
  3. Step 3: Cross multiply
    31,362.98x = 47,044.87 × 9,176.81
  4. Step 4: Simplify right side
    31,362.98x = 431,721,575.30
  5. Step 5: Solve for x
    x = 431,721,575.30/31,362.98
  6. Step 6: Final answer
    x = 13,765.33

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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.