Home / 57,066.28-85,682.49-40,514.20

Finding the Fourth Proportional to 57,066.28, 85,682.49 and 40,514.20

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Solution

The fourth proportional to 57,066.28, 85,682.49 and 40,514.20 is: 60,830.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,066.28 : 85,682.49 = 40,514.20 : x
  2. Step 2: Convert to fraction form
    57,066.28/85,682.49 = 40,514.20/x
  3. Step 3: Cross multiply
    57,066.28x = 85,682.49 × 40,514.20
  4. Step 4: Simplify right side
    57,066.28x = 3,471,357,536.36
  5. Step 5: Solve for x
    x = 3,471,357,536.36/57,066.28
  6. Step 6: Final answer
    x = 60,830.28

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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.