Home / 31,945.92-47,926.17-9,762.45

Finding the Fourth Proportional to 31,945.92, 47,926.17 and 9,762.45

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Solution

The fourth proportional to 31,945.92, 47,926.17 and 9,762.45 is: 14,645.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,945.92 : 47,926.17 = 9,762.45 : x
  2. Step 2: Convert to fraction form
    31,945.92/47,926.17 = 9,762.45/x
  3. Step 3: Cross multiply
    31,945.92x = 47,926.17 × 9,762.45
  4. Step 4: Simplify right side
    31,945.92x = 467,876,838.32
  5. Step 5: Solve for x
    x = 467,876,838.32/31,945.92
  6. Step 6: Final answer
    x = 14,645.90

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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.