Home / 47,766.40-71,650.20-14,486.80

Finding the Fourth Proportional to 47,766.40, 71,650.20 and 14,486.80

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Solution

The fourth proportional to 47,766.40, 71,650.20 and 14,486.80 is: 21,730.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,766.40 : 71,650.20 = 14,486.80 : x
  2. Step 2: Convert to fraction form
    47,766.40/71,650.20 = 14,486.80/x
  3. Step 3: Cross multiply
    47,766.40x = 71,650.20 × 14,486.80
  4. Step 4: Simplify right side
    47,766.40x = 1,037,982,117.36
  5. Step 5: Solve for x
    x = 1,037,982,117.36/47,766.40
  6. Step 6: Final answer
    x = 21,730.38

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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.