Home / 40,086.62-60,064.26-21,346.76

Finding the Fourth Proportional to 40,086.62, 60,064.26 and 21,346.76

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Solution

The fourth proportional to 40,086.62, 60,064.26 and 21,346.76 is: 31,985.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,086.62 : 60,064.26 = 21,346.76 : x
  2. Step 2: Convert to fraction form
    40,086.62/60,064.26 = 21,346.76/x
  3. Step 3: Cross multiply
    40,086.62x = 60,064.26 × 21,346.76
  4. Step 4: Simplify right side
    40,086.62x = 1,282,177,342.80
  5. Step 5: Solve for x
    x = 1,282,177,342.80/40,086.62
  6. Step 6: Final answer
    x = 31,985.17

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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.