Home / 37,426.90-51,649.21-20,431.15

Finding the Fourth Proportional to 37,426.90, 51,649.21 and 20,431.15

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Solution

The fourth proportional to 37,426.90, 51,649.21 and 20,431.15 is: 28,195.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,426.90 : 51,649.21 = 20,431.15 : x
  2. Step 2: Convert to fraction form
    37,426.90/51,649.21 = 20,431.15/x
  3. Step 3: Cross multiply
    37,426.90x = 51,649.21 × 20,431.15
  4. Step 4: Simplify right side
    37,426.90x = 1,055,252,753.78
  5. Step 5: Solve for x
    x = 1,055,252,753.78/37,426.90
  6. Step 6: Final answer
    x = 28,195.04

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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.