Home / 31,899.83-47,847.43-15,255.39

Finding the Fourth Proportional to 31,899.83, 47,847.43 and 15,255.39

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Solution

The fourth proportional to 31,899.83, 47,847.43 and 15,255.39 is: 22,881.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,899.83 : 47,847.43 = 15,255.39 : x
  2. Step 2: Convert to fraction form
    31,899.83/47,847.43 = 15,255.39/x
  3. Step 3: Cross multiply
    31,899.83x = 47,847.43 × 15,255.39
  4. Step 4: Simplify right side
    31,899.83x = 729,931,205.15
  5. Step 5: Solve for x
    x = 729,931,205.15/31,899.83
  6. Step 6: Final answer
    x = 22,881.98

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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.