Home / 31,500.77-43,471.89-17,354.52

Finding the Fourth Proportional to 31,500.77, 43,471.89 and 17,354.52

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Solution

The fourth proportional to 31,500.77, 43,471.89 and 17,354.52 is: 23,949.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,500.77 : 43,471.89 = 17,354.52 : x
  2. Step 2: Convert to fraction form
    31,500.77/43,471.89 = 17,354.52/x
  3. Step 3: Cross multiply
    31,500.77x = 43,471.89 × 17,354.52
  4. Step 4: Simplify right side
    31,500.77x = 754,433,784.44
  5. Step 5: Solve for x
    x = 754,433,784.44/31,500.77
  6. Step 6: Final answer
    x = 23,949.70

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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.