Home / 34,061.20-51,086.04-14,342.80

Finding the Fourth Proportional to 34,061.20, 51,086.04 and 14,342.80

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Solution

The fourth proportional to 34,061.20, 51,086.04 and 14,342.80 is: 21,511.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,061.20 : 51,086.04 = 14,342.80 : x
  2. Step 2: Convert to fraction form
    34,061.20/51,086.04 = 14,342.80/x
  3. Step 3: Cross multiply
    34,061.20x = 51,086.04 × 14,342.80
  4. Step 4: Simplify right side
    34,061.20x = 732,716,854.51
  5. Step 5: Solve for x
    x = 732,716,854.51/34,061.20
  6. Step 6: Final answer
    x = 21,511.77

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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.