Home / 53,538.48-80,381.28-27,260.88

Finding the Fourth Proportional to 53,538.48, 80,381.28 and 27,260.88

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Solution

The fourth proportional to 53,538.48, 80,381.28 and 27,260.88 is: 40,928.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.48 : 80,381.28 = 27,260.88 : x
  2. Step 2: Convert to fraction form
    53,538.48/80,381.28 = 27,260.88/x
  3. Step 3: Cross multiply
    53,538.48x = 80,381.28 × 27,260.88
  4. Step 4: Simplify right side
    53,538.48x = 2,191,264,428.33
  5. Step 5: Solve for x
    x = 2,191,264,428.33/53,538.48
  6. Step 6: Final answer
    x = 40,928.78

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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.