Home / 37,189.13-51,320.99-20,422.13

Finding the Fourth Proportional to 37,189.13, 51,320.99 and 20,422.13

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Solution

The fourth proportional to 37,189.13, 51,320.99 and 20,422.13 is: 28,182.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,189.13 : 51,320.99 = 20,422.13 : x
  2. Step 2: Convert to fraction form
    37,189.13/51,320.99 = 20,422.13/x
  3. Step 3: Cross multiply
    37,189.13x = 51,320.99 × 20,422.13
  4. Step 4: Simplify right side
    37,189.13x = 1,048,083,723.96
  5. Step 5: Solve for x
    x = 1,048,083,723.96/37,189.13
  6. Step 6: Final answer
    x = 28,182.53

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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.