Home / 49,379.96-74,079.16-19,800.11

Finding the Fourth Proportional to 49,379.96, 74,079.16 and 19,800.11

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Solution

The fourth proportional to 49,379.96, 74,079.16 and 19,800.11 is: 29,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,379.96 : 74,079.16 = 19,800.11 : x
  2. Step 2: Convert to fraction form
    49,379.96/74,079.16 = 19,800.11/x
  3. Step 3: Cross multiply
    49,379.96x = 74,079.16 × 19,800.11
  4. Step 4: Simplify right side
    49,379.96x = 1,466,775,417.71
  5. Step 5: Solve for x
    x = 1,466,775,417.71/49,379.96
  6. Step 6: Final answer
    x = 29,703.86

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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.