Home / 37,939.40-56,909.10-20,224.70

Finding the Fourth Proportional to 37,939.40, 56,909.10 and 20,224.70

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Solution

The fourth proportional to 37,939.40, 56,909.10 and 20,224.70 is: 30,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,939.40 : 56,909.10 = 20,224.70 : x
  2. Step 2: Convert to fraction form
    37,939.40/56,909.10 = 20,224.70/x
  3. Step 3: Cross multiply
    37,939.40x = 56,909.10 × 20,224.70
  4. Step 4: Simplify right side
    37,939.40x = 1,150,969,474.77
  5. Step 5: Solve for x
    x = 1,150,969,474.77/37,939.40
  6. Step 6: Final answer
    x = 30,337.05

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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.