Home / 40,153.11-60,230.64-13,499.48

Finding the Fourth Proportional to 40,153.11, 60,230.64 and 13,499.48

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Solution

The fourth proportional to 40,153.11, 60,230.64 and 13,499.48 is: 20,249.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,153.11 : 60,230.64 = 13,499.48 : x
  2. Step 2: Convert to fraction form
    40,153.11/60,230.64 = 13,499.48/x
  3. Step 3: Cross multiply
    40,153.11x = 60,230.64 × 13,499.48
  4. Step 4: Simplify right side
    40,153.11x = 813,082,320.07
  5. Step 5: Solve for x
    x = 813,082,320.07/40,153.11
  6. Step 6: Final answer
    x = 20,249.55

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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.