Home / 40,073.78-60,105.81-20,366.48

Finding the Fourth Proportional to 40,073.78, 60,105.81 and 20,366.48

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Solution

The fourth proportional to 40,073.78, 60,105.81 and 20,366.48 is: 30,547.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,073.78 : 60,105.81 = 20,366.48 : x
  2. Step 2: Convert to fraction form
    40,073.78/60,105.81 = 20,366.48/x
  3. Step 3: Cross multiply
    40,073.78x = 60,105.81 × 20,366.48
  4. Step 4: Simplify right side
    40,073.78x = 1,224,143,777.25
  5. Step 5: Solve for x
    x = 1,224,143,777.25/40,073.78
  6. Step 6: Final answer
    x = 30,547.25

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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.