Home / 37,081.24-55,630.12-20,432.70

Finding the Fourth Proportional to 37,081.24, 55,630.12 and 20,432.70

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Solution

The fourth proportional to 37,081.24, 55,630.12 and 20,432.70 is: 30,653.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,081.24 : 55,630.12 = 20,432.70 : x
  2. Step 2: Convert to fraction form
    37,081.24/55,630.12 = 20,432.70/x
  3. Step 3: Cross multiply
    37,081.24x = 55,630.12 × 20,432.70
  4. Step 4: Simplify right side
    37,081.24x = 1,136,673,552.92
  5. Step 5: Solve for x
    x = 1,136,673,552.92/37,081.24
  6. Step 6: Final answer
    x = 30,653.60

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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.