Home / 47,040.66-70,543.20-18,951.18

Finding the Fourth Proportional to 47,040.66, 70,543.20 and 18,951.18

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Solution

The fourth proportional to 47,040.66, 70,543.20 and 18,951.18 is: 28,419.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,040.66 : 70,543.20 = 18,951.18 : x
  2. Step 2: Convert to fraction form
    47,040.66/70,543.20 = 18,951.18/x
  3. Step 3: Cross multiply
    47,040.66x = 70,543.20 × 18,951.18
  4. Step 4: Simplify right side
    47,040.66x = 1,336,876,880.98
  5. Step 5: Solve for x
    x = 1,336,876,880.98/47,040.66
  6. Step 6: Final answer
    x = 28,419.60

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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.