Home / 37,081.56-51,172.65-20,314.56

Finding the Fourth Proportional to 37,081.56, 51,172.65 and 20,314.56

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Solution

The fourth proportional to 37,081.56, 51,172.65 and 20,314.56 is: 28,034.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.56 : 51,172.65 = 20,314.56 : x
  2. Step 2: Convert to fraction form
    37,081.56/51,172.65 = 20,314.56/x
  3. Step 3: Cross multiply
    37,081.56x = 51,172.65 × 20,314.56
  4. Step 4: Simplify right side
    37,081.56x = 1,039,549,868.78
  5. Step 5: Solve for x
    x = 1,039,549,868.78/37,081.56
  6. Step 6: Final answer
    x = 28,034.15

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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.