Home / 37,084.74-55,635.38-20,436.21

Finding the Fourth Proportional to 37,084.74, 55,635.38 and 20,436.21

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Solution

The fourth proportional to 37,084.74, 55,635.38 and 20,436.21 is: 30,658.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,084.74 : 55,635.38 = 20,436.21 : x
  2. Step 2: Convert to fraction form
    37,084.74/55,635.38 = 20,436.21/x
  3. Step 3: Cross multiply
    37,084.74x = 55,635.38 × 20,436.21
  4. Step 4: Simplify right side
    37,084.74x = 1,136,976,206.93
  5. Step 5: Solve for x
    x = 1,136,976,206.93/37,084.74
  6. Step 6: Final answer
    x = 30,658.87

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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.