Home / 37,206.28-51,344.62-20,439.28

Finding the Fourth Proportional to 37,206.28, 51,344.62 and 20,439.28

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Solution

The fourth proportional to 37,206.28, 51,344.62 and 20,439.28 is: 28,206.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,206.28 : 51,344.62 = 20,439.28 : x
  2. Step 2: Convert to fraction form
    37,206.28/51,344.62 = 20,439.28/x
  3. Step 3: Cross multiply
    37,206.28x = 51,344.62 × 20,439.28
  4. Step 4: Simplify right side
    37,206.28x = 1,049,447,064.67
  5. Step 5: Solve for x
    x = 1,049,447,064.67/37,206.28
  6. Step 6: Final answer
    x = 28,206.18

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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.