Home / 38,116.70-57,126.45-18,352.70

Finding the Fourth Proportional to 38,116.70, 57,126.45 and 18,352.70

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Solution

The fourth proportional to 38,116.70, 57,126.45 and 18,352.70 is: 27,505.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,116.70 : 57,126.45 = 18,352.70 : x
  2. Step 2: Convert to fraction form
    38,116.70/57,126.45 = 18,352.70/x
  3. Step 3: Cross multiply
    38,116.70x = 57,126.45 × 18,352.70
  4. Step 4: Simplify right side
    38,116.70x = 1,048,424,598.92
  5. Step 5: Solve for x
    x = 1,048,424,598.92/38,116.70
  6. Step 6: Final answer
    x = 27,505.65

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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.