Home / 51,412.48-77,066.20-29,178.88

Finding the Fourth Proportional to 51,412.48, 77,066.20 and 29,178.88

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Solution

The fourth proportional to 51,412.48, 77,066.20 and 29,178.88 is: 43,738.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,412.48 : 77,066.20 = 29,178.88 : x
  2. Step 2: Convert to fraction form
    51,412.48/77,066.20 = 29,178.88/x
  3. Step 3: Cross multiply
    51,412.48x = 77,066.20 × 29,178.88
  4. Step 4: Simplify right side
    51,412.48x = 2,248,705,401.86
  5. Step 5: Solve for x
    x = 2,248,705,401.86/51,412.48
  6. Step 6: Final answer
    x = 43,738.51

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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.