Home / 31,625.20-47,327.76-19,611.74

Finding the Fourth Proportional to 31,625.20, 47,327.76 and 19,611.74

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Solution

The fourth proportional to 31,625.20, 47,327.76 and 19,611.74 is: 29,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,625.20 : 47,327.76 = 19,611.74 : x
  2. Step 2: Convert to fraction form
    31,625.20/47,327.76 = 19,611.74/x
  3. Step 3: Cross multiply
    31,625.20x = 47,327.76 × 19,611.74
  4. Step 4: Simplify right side
    31,625.20x = 928,179,723.90
  5. Step 5: Solve for x
    x = 928,179,723.90/31,625.20
  6. Step 6: Final answer
    x = 29,349.37

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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.