Home / 31,756.28-47,636.22-9,572.72

Finding the Fourth Proportional to 31,756.28, 47,636.22 and 9,572.72

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Solution

The fourth proportional to 31,756.28, 47,636.22 and 9,572.72 is: 14,359.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,756.28 : 47,636.22 = 9,572.72 : x
  2. Step 2: Convert to fraction form
    31,756.28/47,636.22 = 9,572.72/x
  3. Step 3: Cross multiply
    31,756.28x = 47,636.22 × 9,572.72
  4. Step 4: Simplify right side
    31,756.28x = 456,008,195.92
  5. Step 5: Solve for x
    x = 456,008,195.92/31,756.28
  6. Step 6: Final answer
    x = 14,359.62

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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.