Home / 49,929.08-74,875.23-20,330.87

Finding the Fourth Proportional to 49,929.08, 74,875.23 and 20,330.87

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Solution

The fourth proportional to 49,929.08, 74,875.23 and 20,330.87 is: 30,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,929.08 : 74,875.23 = 20,330.87 : x
  2. Step 2: Convert to fraction form
    49,929.08/74,875.23 = 20,330.87/x
  3. Step 3: Cross multiply
    49,929.08x = 74,875.23 × 20,330.87
  4. Step 4: Simplify right side
    49,929.08x = 1,522,278,192.97
  5. Step 5: Solve for x
    x = 1,522,278,192.97/49,929.08
  6. Step 6: Final answer
    x = 30,488.81

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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.