Home / 31,406.66-43,343.60-17,982.12

Finding the Fourth Proportional to 31,406.66, 43,343.60 and 17,982.12

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Solution

The fourth proportional to 31,406.66, 43,343.60 and 17,982.12 is: 24,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,406.66 : 43,343.60 = 17,982.12 : x
  2. Step 2: Convert to fraction form
    31,406.66/43,343.60 = 17,982.12/x
  3. Step 3: Cross multiply
    31,406.66x = 43,343.60 × 17,982.12
  4. Step 4: Simplify right side
    31,406.66x = 779,409,726.52
  5. Step 5: Solve for x
    x = 779,409,726.52/31,406.66
  6. Step 6: Final answer
    x = 24,816.71

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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.