Home / 49,129.16-67,799.34-28,990.94

Finding the Fourth Proportional to 49,129.16, 67,799.34 and 28,990.94

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Solution

The fourth proportional to 49,129.16, 67,799.34 and 28,990.94 is: 40,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,129.16 : 67,799.34 = 28,990.94 : x
  2. Step 2: Convert to fraction form
    49,129.16/67,799.34 = 28,990.94/x
  3. Step 3: Cross multiply
    49,129.16x = 67,799.34 × 28,990.94
  4. Step 4: Simplify right side
    49,129.16x = 1,965,566,597.98
  5. Step 5: Solve for x
    x = 1,965,566,597.98/49,129.16
  6. Step 6: Final answer
    x = 40,008.15

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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.