Home / 40,398.78-60,601.41-10,816.38

Finding the Fourth Proportional to 40,398.78, 60,601.41 and 10,816.38

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Solution

The fourth proportional to 40,398.78, 60,601.41 and 10,816.38 is: 16,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,398.78 : 60,601.41 = 10,816.38 : x
  2. Step 2: Convert to fraction form
    40,398.78/60,601.41 = 10,816.38/x
  3. Step 3: Cross multiply
    40,398.78x = 60,601.41 × 10,816.38
  4. Step 4: Simplify right side
    40,398.78x = 655,487,879.10
  5. Step 5: Solve for x
    x = 655,487,879.10/40,398.78
  6. Step 6: Final answer
    x = 16,225.44

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1.5x scale

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.