Home / 37,776.30-56,708.10-20,280.30

Finding the Fourth Proportional to 37,776.30, 56,708.10 and 20,280.30

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Solution

The fourth proportional to 37,776.30, 56,708.10 and 20,280.30 is: 30,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,776.30 : 56,708.10 = 20,280.30 : x
  2. Step 2: Convert to fraction form
    37,776.30/56,708.10 = 20,280.30/x
  3. Step 3: Cross multiply
    37,776.30x = 56,708.10 × 20,280.30
  4. Step 4: Simplify right side
    37,776.30x = 1,150,057,280.43
  5. Step 5: Solve for x
    x = 1,150,057,280.43/37,776.30
  6. Step 6: Final answer
    x = 30,443.88

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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.