Home / 31,822.12-47,730.75-10,763.92

Finding the Fourth Proportional to 31,822.12, 47,730.75 and 10,763.92

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Solution

The fourth proportional to 31,822.12, 47,730.75 and 10,763.92 is: 16,145.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.12 : 47,730.75 = 10,763.92 : x
  2. Step 2: Convert to fraction form
    31,822.12/47,730.75 = 10,763.92/x
  3. Step 3: Cross multiply
    31,822.12x = 47,730.75 × 10,763.92
  4. Step 4: Simplify right side
    31,822.12x = 513,769,974.54
  5. Step 5: Solve for x
    x = 513,769,974.54/31,822.12
  6. Step 6: Final answer
    x = 16,145.06

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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.