Home / 47,818.58-71,704.62-28,862.78

Finding the Fourth Proportional to 47,818.58, 71,704.62 and 28,862.78

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Solution

The fourth proportional to 47,818.58, 71,704.62 and 28,862.78 is: 43,280.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,818.58 : 71,704.62 = 28,862.78 : x
  2. Step 2: Convert to fraction form
    47,818.58/71,704.62 = 28,862.78/x
  3. Step 3: Cross multiply
    47,818.58x = 71,704.62 × 28,862.78
  4. Step 4: Simplify right side
    47,818.58x = 2,069,594,313.52
  5. Step 5: Solve for x
    x = 2,069,594,313.52/47,818.58
  6. Step 6: Final answer
    x = 43,280.13

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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.