Home / 35,741.18-53,619.57-13,554.78

Finding the Fourth Proportional to 35,741.18, 53,619.57 and 13,554.78

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Solution

The fourth proportional to 35,741.18, 53,619.57 and 13,554.78 is: 20,335.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,741.18 : 53,619.57 = 13,554.78 : x
  2. Step 2: Convert to fraction form
    35,741.18/53,619.57 = 13,554.78/x
  3. Step 3: Cross multiply
    35,741.18x = 53,619.57 × 13,554.78
  4. Step 4: Simplify right side
    35,741.18x = 726,801,273.97
  5. Step 5: Solve for x
    x = 726,801,273.97/35,741.18
  6. Step 6: Final answer
    x = 20,335.12

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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.