Home / 40,807.14-61,132.55-19,684.77

Finding the Fourth Proportional to 40,807.14, 61,132.55 and 19,684.77

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Solution

The fourth proportional to 40,807.14, 61,132.55 and 19,684.77 is: 29,489.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,807.14 : 61,132.55 = 19,684.77 : x
  2. Step 2: Convert to fraction form
    40,807.14/61,132.55 = 19,684.77/x
  3. Step 3: Cross multiply
    40,807.14x = 61,132.55 × 19,684.77
  4. Step 4: Simplify right side
    40,807.14x = 1,203,380,087.84
  5. Step 5: Solve for x
    x = 1,203,380,087.84/40,807.14
  6. Step 6: Final answer
    x = 29,489.45

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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.