Home / 53,144.79-79,721.77-13,701.57

Finding the Fourth Proportional to 53,144.79, 79,721.77 and 13,701.57

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Solution

The fourth proportional to 53,144.79, 79,721.77 and 13,701.57 is: 20,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,144.79 : 79,721.77 = 13,701.57 : x
  2. Step 2: Convert to fraction form
    53,144.79/79,721.77 = 13,701.57/x
  3. Step 3: Cross multiply
    53,144.79x = 79,721.77 × 13,701.57
  4. Step 4: Simplify right side
    53,144.79x = 1,092,313,412.18
  5. Step 5: Solve for x
    x = 1,092,313,412.18/53,144.79
  6. Step 6: Final answer
    x = 20,553.54

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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.