Home / 37,122.18-51,228.45-20,355.18

Finding the Fourth Proportional to 37,122.18, 51,228.45 and 20,355.18

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Solution

The fourth proportional to 37,122.18, 51,228.45 and 20,355.18 is: 28,090.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,122.18 : 51,228.45 = 20,355.18 : x
  2. Step 2: Convert to fraction form
    37,122.18/51,228.45 = 20,355.18/x
  3. Step 3: Cross multiply
    37,122.18x = 51,228.45 × 20,355.18
  4. Step 4: Simplify right side
    37,122.18x = 1,042,764,320.87
  5. Step 5: Solve for x
    x = 1,042,764,320.87/37,122.18
  6. Step 6: Final answer
    x = 28,090.06

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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.