Home / 38,924.56-58,296.12-30,131.20

Finding the Fourth Proportional to 38,924.56, 58,296.12 and 30,131.20

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Solution

The fourth proportional to 38,924.56, 58,296.12 and 30,131.20 is: 45,126.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,924.56 : 58,296.12 = 30,131.20 : x
  2. Step 2: Convert to fraction form
    38,924.56/58,296.12 = 30,131.20/x
  3. Step 3: Cross multiply
    38,924.56x = 58,296.12 × 30,131.20
  4. Step 4: Simplify right side
    38,924.56x = 1,756,532,050.94
  5. Step 5: Solve for x
    x = 1,756,532,050.94/38,924.56
  6. Step 6: Final answer
    x = 45,126.57

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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.