Home / 31,766.16-43,839.28-17,619.04

Finding the Fourth Proportional to 31,766.16, 43,839.28 and 17,619.04

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Solution

The fourth proportional to 31,766.16, 43,839.28 and 17,619.04 is: 24,315.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,766.16 : 43,839.28 = 17,619.04 : x
  2. Step 2: Convert to fraction form
    31,766.16/43,839.28 = 17,619.04/x
  3. Step 3: Cross multiply
    31,766.16x = 43,839.28 × 17,619.04
  4. Step 4: Simplify right side
    31,766.16x = 772,406,027.89
  5. Step 5: Solve for x
    x = 772,406,027.89/31,766.16
  6. Step 6: Final answer
    x = 24,315.37

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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.