Home / 31,763.75-43,826.91-18,332.16

Finding the Fourth Proportional to 31,763.75, 43,826.91 and 18,332.16

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Solution

The fourth proportional to 31,763.75, 43,826.91 and 18,332.16 is: 25,294.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,763.75 : 43,826.91 = 18,332.16 : x
  2. Step 2: Convert to fraction form
    31,763.75/43,826.91 = 18,332.16/x
  3. Step 3: Cross multiply
    31,763.75x = 43,826.91 × 18,332.16
  4. Step 4: Simplify right side
    31,763.75x = 803,441,926.43
  5. Step 5: Solve for x
    x = 803,441,926.43/31,763.75
  6. Step 6: Final answer
    x = 25,294.30

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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.