Home / 49,888.28-74,992.80-40,135.88

Finding the Fourth Proportional to 49,888.28, 74,992.80 and 40,135.88

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Solution

The fourth proportional to 49,888.28, 74,992.80 and 40,135.88 is: 60,332.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.28 : 74,992.80 = 40,135.88 : x
  2. Step 2: Convert to fraction form
    49,888.28/74,992.80 = 40,135.88/x
  3. Step 3: Cross multiply
    49,888.28x = 74,992.80 × 40,135.88
  4. Step 4: Simplify right side
    49,888.28x = 3,009,902,021.66
  5. Step 5: Solve for x
    x = 3,009,902,021.66/49,888.28
  6. Step 6: Final answer
    x = 60,332.85

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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.