Home / 37,023.56-55,531.74-20,378.12

Finding the Fourth Proportional to 37,023.56, 55,531.74 and 20,378.12

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Solution

The fourth proportional to 37,023.56, 55,531.74 and 20,378.12 is: 30,565.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,023.56 : 55,531.74 = 20,378.12 : x
  2. Step 2: Convert to fraction form
    37,023.56/55,531.74 = 20,378.12/x
  3. Step 3: Cross multiply
    37,023.56x = 55,531.74 × 20,378.12
  4. Step 4: Simplify right side
    37,023.56x = 1,131,632,461.53
  5. Step 5: Solve for x
    x = 1,131,632,461.53/37,023.56
  6. Step 6: Final answer
    x = 30,565.20

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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.