Home / 48,910.74-67,497.10-28,768.47

Finding the Fourth Proportional to 48,910.74, 67,497.10 and 28,768.47

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Solution

The fourth proportional to 48,910.74, 67,497.10 and 28,768.47 is: 39,700.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,910.74 : 67,497.10 = 28,768.47 : x
  2. Step 2: Convert to fraction form
    48,910.74/67,497.10 = 28,768.47/x
  3. Step 3: Cross multiply
    48,910.74x = 67,497.10 × 28,768.47
  4. Step 4: Simplify right side
    48,910.74x = 1,941,788,296.44
  5. Step 5: Solve for x
    x = 1,941,788,296.44/48,910.74
  6. Step 6: Final answer
    x = 39,700.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.