Home / 49,708.86-74,579.70-20,151.56

Finding the Fourth Proportional to 49,708.86, 74,579.70 and 20,151.56

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Solution

The fourth proportional to 49,708.86, 74,579.70 and 20,151.56 is: 30,233.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,708.86 : 74,579.70 = 20,151.56 : x
  2. Step 2: Convert to fraction form
    49,708.86/74,579.70 = 20,151.56/x
  3. Step 3: Cross multiply
    49,708.86x = 74,579.70 × 20,151.56
  4. Step 4: Simplify right side
    49,708.86x = 1,502,896,926.43
  5. Step 5: Solve for x
    x = 1,502,896,926.43/49,708.86
  6. Step 6: Final answer
    x = 30,233.98

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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.