Home / 53,331.62-79,920.68-39,180.51

Finding the Fourth Proportional to 53,331.62, 79,920.68 and 39,180.51

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Solution

The fourth proportional to 53,331.62, 79,920.68 and 39,180.51 is: 58,714.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.62 : 79,920.68 = 39,180.51 : x
  2. Step 2: Convert to fraction form
    53,331.62/79,920.68 = 39,180.51/x
  3. Step 3: Cross multiply
    53,331.62x = 79,920.68 × 39,180.51
  4. Step 4: Simplify right side
    53,331.62x = 3,131,332,806.04
  5. Step 5: Solve for x
    x = 3,131,332,806.04/53,331.62
  6. Step 6: Final answer
    x = 58,714.38

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1.5x scale

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.