Home / 47,047.39-70,517.40-18,949.46

Finding the Fourth Proportional to 47,047.39, 70,517.40 and 18,949.46

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Solution

The fourth proportional to 47,047.39, 70,517.40 and 18,949.46 is: 28,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,047.39 : 70,517.40 = 18,949.46 : x
  2. Step 2: Convert to fraction form
    47,047.39/70,517.40 = 18,949.46/x
  3. Step 3: Cross multiply
    47,047.39x = 70,517.40 × 18,949.46
  4. Step 4: Simplify right side
    47,047.39x = 1,336,266,333.55
  5. Step 5: Solve for x
    x = 1,336,266,333.55/47,047.39
  6. Step 6: Final answer
    x = 28,402.56

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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.