Home / 51,834.96-77,898.69-30,778.65

Finding the Fourth Proportional to 51,834.96, 77,898.69 and 30,778.65

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Solution

The fourth proportional to 51,834.96, 77,898.69 and 30,778.65 is: 46,254.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,834.96 : 77,898.69 = 30,778.65 : x
  2. Step 2: Convert to fraction form
    51,834.96/77,898.69 = 30,778.65/x
  3. Step 3: Cross multiply
    51,834.96x = 77,898.69 × 30,778.65
  4. Step 4: Simplify right side
    51,834.96x = 2,397,616,514.97
  5. Step 5: Solve for x
    x = 2,397,616,514.97/51,834.96
  6. Step 6: Final answer
    x = 46,254.82

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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.