Home / 47,478.76-71,195.70-14,187.20

Finding the Fourth Proportional to 47,478.76, 71,195.70 and 14,187.20

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Solution

The fourth proportional to 47,478.76, 71,195.70 and 14,187.20 is: 21,274.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,478.76 : 71,195.70 = 14,187.20 : x
  2. Step 2: Convert to fraction form
    47,478.76/71,195.70 = 14,187.20/x
  3. Step 3: Cross multiply
    47,478.76x = 71,195.70 × 14,187.20
  4. Step 4: Simplify right side
    47,478.76x = 1,010,067,635.04
  5. Step 5: Solve for x
    x = 1,010,067,635.04/47,478.76
  6. Step 6: Final answer
    x = 21,274.09

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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.