Home / 37,219.74-51,366.39-20,456.22

Finding the Fourth Proportional to 37,219.74, 51,366.39 and 20,456.22

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Solution

The fourth proportional to 37,219.74, 51,366.39 and 20,456.22 is: 28,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,219.74 : 51,366.39 = 20,456.22 : x
  2. Step 2: Convert to fraction form
    37,219.74/51,366.39 = 20,456.22/x
  3. Step 3: Cross multiply
    37,219.74x = 51,366.39 × 20,456.22
  4. Step 4: Simplify right side
    37,219.74x = 1,050,762,174.45
  5. Step 5: Solve for x
    x = 1,050,762,174.45/37,219.74
  6. Step 6: Final answer
    x = 28,231.31

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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.