Home / 53,251.28-79,740.30-51,674.66

Finding the Fourth Proportional to 53,251.28, 79,740.30 and 51,674.66

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Solution

The fourth proportional to 53,251.28, 79,740.30 and 51,674.66 is: 77,379.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,251.28 : 79,740.30 = 51,674.66 : x
  2. Step 2: Convert to fraction form
    53,251.28/79,740.30 = 51,674.66/x
  3. Step 3: Cross multiply
    53,251.28x = 79,740.30 × 51,674.66
  4. Step 4: Simplify right side
    53,251.28x = 4,120,552,890.80
  5. Step 5: Solve for x
    x = 4,120,552,890.80/53,251.28
  6. Step 6: Final answer
    x = 77,379.41

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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.