Home / 31,870.28-43,982.19-17,724.14

Finding the Fourth Proportional to 31,870.28, 43,982.19 and 17,724.14

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Solution

The fourth proportional to 31,870.28, 43,982.19 and 17,724.14 is: 24,459.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,870.28 : 43,982.19 = 17,724.14 : x
  2. Step 2: Convert to fraction form
    31,870.28/43,982.19 = 17,724.14/x
  3. Step 3: Cross multiply
    31,870.28x = 43,982.19 × 17,724.14
  4. Step 4: Simplify right side
    31,870.28x = 779,546,493.07
  5. Step 5: Solve for x
    x = 779,546,493.07/31,870.28
  6. Step 6: Final answer
    x = 24,459.98

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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.