Home / 31,399.16-43,333.25-17,974.62

Finding the Fourth Proportional to 31,399.16, 43,333.25 and 17,974.62

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Solution

The fourth proportional to 31,399.16, 43,333.25 and 17,974.62 is: 24,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.16 : 43,333.25 = 17,974.62 : x
  2. Step 2: Convert to fraction form
    31,399.16/43,333.25 = 17,974.62/x
  3. Step 3: Cross multiply
    31,399.16x = 43,333.25 × 17,974.62
  4. Step 4: Simplify right side
    31,399.16x = 778,898,612.24
  5. Step 5: Solve for x
    x = 778,898,612.24/31,399.16
  6. Step 6: Final answer
    x = 24,806.36

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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.