Home / 40,089.87-60,102.81-19,019.34

Finding the Fourth Proportional to 40,089.87, 60,102.81 and 19,019.34

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Solution

The fourth proportional to 40,089.87, 60,102.81 and 19,019.34 is: 28,513.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,089.87 : 60,102.81 = 19,019.34 : x
  2. Step 2: Convert to fraction form
    40,089.87/60,102.81 = 19,019.34/x
  3. Step 3: Cross multiply
    40,089.87x = 60,102.81 × 19,019.34
  4. Step 4: Simplify right side
    40,089.87x = 1,143,115,778.35
  5. Step 5: Solve for x
    x = 1,143,115,778.35/40,089.87
  6. Step 6: Final answer
    x = 28,513.83

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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.