Home / 40,426.05-60,642.72-18,249.87

Finding the Fourth Proportional to 40,426.05, 60,642.72 and 18,249.87

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Solution

The fourth proportional to 40,426.05, 60,642.72 and 18,249.87 is: 27,376.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,426.05 : 60,642.72 = 18,249.87 : x
  2. Step 2: Convert to fraction form
    40,426.05/60,642.72 = 18,249.87/x
  3. Step 3: Cross multiply
    40,426.05x = 60,642.72 × 18,249.87
  4. Step 4: Simplify right side
    40,426.05x = 1,106,721,756.45
  5. Step 5: Solve for x
    x = 1,106,721,756.45/40,426.05
  6. Step 6: Final answer
    x = 27,376.45

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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.