Home / 31,619.76-43,638.12-17,475.36

Finding the Fourth Proportional to 31,619.76, 43,638.12 and 17,475.36

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Solution

The fourth proportional to 31,619.76, 43,638.12 and 17,475.36 is: 24,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,619.76 : 43,638.12 = 17,475.36 : x
  2. Step 2: Convert to fraction form
    31,619.76/43,638.12 = 17,475.36/x
  3. Step 3: Cross multiply
    31,619.76x = 43,638.12 × 17,475.36
  4. Step 4: Simplify right side
    31,619.76x = 762,591,856.72
  5. Step 5: Solve for x
    x = 762,591,856.72/31,619.76
  6. Step 6: Final answer
    x = 24,117.57

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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.