Home / 31,524.88-47,287.38-21,634.24

Finding the Fourth Proportional to 31,524.88, 47,287.38 and 21,634.24

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Solution

The fourth proportional to 31,524.88, 47,287.38 and 21,634.24 is: 32,451.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,524.88 : 47,287.38 = 21,634.24 : x
  2. Step 2: Convert to fraction form
    31,524.88/47,287.38 = 21,634.24/x
  3. Step 3: Cross multiply
    31,524.88x = 47,287.38 × 21,634.24
  4. Step 4: Simplify right side
    31,524.88x = 1,023,026,527.89
  5. Step 5: Solve for x
    x = 1,023,026,527.89/31,524.88
  6. Step 6: Final answer
    x = 32,451.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.