Home / 40,060.96-60,066-21,329.44

Finding the Fourth Proportional to 40,060.96, 60,066 and 21,329.44

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Solution

The fourth proportional to 40,060.96, 60,066 and 21,329.44 is: 31,980.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,060.96 : 60,066 = 21,329.44 : x
  2. Step 2: Convert to fraction form
    40,060.96/60,066 = 21,329.44/x
  3. Step 3: Cross multiply
    40,060.96x = 60,066 × 21,329.44
  4. Step 4: Simplify right side
    40,060.96x = 1,281,174,143.04
  5. Step 5: Solve for x
    x = 1,281,174,143.04/40,060.96
  6. Step 6: Final answer
    x = 31,980.62

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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.