Home / 31,189.20-43,040.58-17,041.74

Finding the Fourth Proportional to 31,189.20, 43,040.58 and 17,041.74

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Solution

The fourth proportional to 31,189.20, 43,040.58 and 17,041.74 is: 23,517.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,189.20 : 43,040.58 = 17,041.74 : x
  2. Step 2: Convert to fraction form
    31,189.20/43,040.58 = 17,041.74/x
  3. Step 3: Cross multiply
    31,189.20x = 43,040.58 × 17,041.74
  4. Step 4: Simplify right side
    31,189.20x = 733,486,373.81
  5. Step 5: Solve for x
    x = 733,486,373.81/31,189.20
  6. Step 6: Final answer
    x = 23,517.32

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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.