Home / 53,042.40-79,446.05-30,800.61

Finding the Fourth Proportional to 53,042.40, 79,446.05 and 30,800.61

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Solution

The fourth proportional to 53,042.40, 79,446.05 and 30,800.61 is: 46,132.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,042.40 : 79,446.05 = 30,800.61 : x
  2. Step 2: Convert to fraction form
    53,042.40/79,446.05 = 30,800.61/x
  3. Step 3: Cross multiply
    53,042.40x = 79,446.05 × 30,800.61
  4. Step 4: Simplify right side
    53,042.40x = 2,446,986,763.59
  5. Step 5: Solve for x
    x = 2,446,986,763.59/53,042.40
  6. Step 6: Final answer
    x = 46,132.66

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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.