Home / 57,554.30-79,437.18-38,680.49

Finding the Fourth Proportional to 57,554.30, 79,437.18 and 38,680.49

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Solution

The fourth proportional to 57,554.30, 79,437.18 and 38,680.49 is: 53,387.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,554.30 : 79,437.18 = 38,680.49 : x
  2. Step 2: Convert to fraction form
    57,554.30/79,437.18 = 38,680.49/x
  3. Step 3: Cross multiply
    57,554.30x = 79,437.18 × 38,680.49
  4. Step 4: Simplify right side
    57,554.30x = 3,072,668,456.03
  5. Step 5: Solve for x
    x = 3,072,668,456.03/57,554.30
  6. Step 6: Final answer
    x = 53,387.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.