Home / 31,822.71-47,734.20-10,762.86

Finding the Fourth Proportional to 31,822.71, 47,734.20 and 10,762.86

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Solution

The fourth proportional to 31,822.71, 47,734.20 and 10,762.86 is: 16,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,822.71 : 47,734.20 = 10,762.86 : x
  2. Step 2: Convert to fraction form
    31,822.71/47,734.20 = 10,762.86/x
  3. Step 3: Cross multiply
    31,822.71x = 47,734.20 × 10,762.86
  4. Step 4: Simplify right side
    31,822.71x = 513,756,511.81
  5. Step 5: Solve for x
    x = 513,756,511.81/31,822.71
  6. Step 6: Final answer
    x = 16,144.34

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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.