Home / 31,363.16-43,279.80-17,216.24

Finding the Fourth Proportional to 31,363.16, 43,279.80 and 17,216.24

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Solution

The fourth proportional to 31,363.16, 43,279.80 and 17,216.24 is: 23,757.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,363.16 : 43,279.80 = 17,216.24 : x
  2. Step 2: Convert to fraction form
    31,363.16/43,279.80 = 17,216.24/x
  3. Step 3: Cross multiply
    31,363.16x = 43,279.80 × 17,216.24
  4. Step 4: Simplify right side
    31,363.16x = 745,115,423.95
  5. Step 5: Solve for x
    x = 745,115,423.95/31,363.16
  6. Step 6: Final answer
    x = 23,757.66

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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.