Home / 40,486.52-60,768.66-19,724.60

Finding the Fourth Proportional to 40,486.52, 60,768.66 and 19,724.60

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Solution

The fourth proportional to 40,486.52, 60,768.66 and 19,724.60 is: 29,605.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,486.52 : 60,768.66 = 19,724.60 : x
  2. Step 2: Convert to fraction form
    40,486.52/60,768.66 = 19,724.60/x
  3. Step 3: Cross multiply
    40,486.52x = 60,768.66 × 19,724.60
  4. Step 4: Simplify right side
    40,486.52x = 1,198,637,207.19
  5. Step 5: Solve for x
    x = 1,198,637,207.19/40,486.52
  6. Step 6: Final answer
    x = 29,605.84

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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.