Home / 47,713.40-71,570.10-30,260.60

Finding the Fourth Proportional to 47,713.40, 71,570.10 and 30,260.60

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Solution

The fourth proportional to 47,713.40, 71,570.10 and 30,260.60 is: 45,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,713.40 : 71,570.10 = 30,260.60 : x
  2. Step 2: Convert to fraction form
    47,713.40/71,570.10 = 30,260.60/x
  3. Step 3: Cross multiply
    47,713.40x = 71,570.10 × 30,260.60
  4. Step 4: Simplify right side
    47,713.40x = 2,165,754,168.06
  5. Step 5: Solve for x
    x = 2,165,754,168.06/47,713.40
  6. Step 6: Final answer
    x = 45,390.90

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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.