Home / 31,353.52-43,264.99-18,604.50

Finding the Fourth Proportional to 31,353.52, 43,264.99 and 18,604.50

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Solution

The fourth proportional to 31,353.52, 43,264.99 and 18,604.50 is: 25,672.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.52 : 43,264.99 = 18,604.50 : x
  2. Step 2: Convert to fraction form
    31,353.52/43,264.99 = 18,604.50/x
  3. Step 3: Cross multiply
    31,353.52x = 43,264.99 × 18,604.50
  4. Step 4: Simplify right side
    31,353.52x = 804,923,506.18
  5. Step 5: Solve for x
    x = 804,923,506.18/31,353.52
  6. Step 6: Final answer
    x = 25,672.51

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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.