Home / 31,943.67-47,922.80-9,760.20

Finding the Fourth Proportional to 31,943.67, 47,922.80 and 9,760.20

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Solution

The fourth proportional to 31,943.67, 47,922.80 and 9,760.20 is: 14,642.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,943.67 : 47,922.80 = 9,760.20 : x
  2. Step 2: Convert to fraction form
    31,943.67/47,922.80 = 9,760.20/x
  3. Step 3: Cross multiply
    31,943.67x = 47,922.80 × 9,760.20
  4. Step 4: Simplify right side
    31,943.67x = 467,736,063.76
  5. Step 5: Solve for x
    x = 467,736,063.76/31,943.67
  6. Step 6: Final answer
    x = 14,642.53

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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.