Home / 31,720.02-43,775.19-17,572.92

Finding the Fourth Proportional to 31,720.02, 43,775.19 and 17,572.92

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Solution

The fourth proportional to 31,720.02, 43,775.19 and 17,572.92 is: 24,251.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,720.02 : 43,775.19 = 17,572.92 : x
  2. Step 2: Convert to fraction form
    31,720.02/43,775.19 = 17,572.92/x
  3. Step 3: Cross multiply
    31,720.02x = 43,775.19 × 17,572.92
  4. Step 4: Simplify right side
    31,720.02x = 769,257,911.85
  5. Step 5: Solve for x
    x = 769,257,911.85/31,720.02
  6. Step 6: Final answer
    x = 24,251.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.