Home / 40,933.84-61,415.28-23,418.40

Finding the Fourth Proportional to 40,933.84, 61,415.28 and 23,418.40

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Solution

The fourth proportional to 40,933.84, 61,415.28 and 23,418.40 is: 35,135.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,933.84 : 61,415.28 = 23,418.40 : x
  2. Step 2: Convert to fraction form
    40,933.84/61,415.28 = 23,418.40/x
  3. Step 3: Cross multiply
    40,933.84x = 61,415.28 × 23,418.40
  4. Step 4: Simplify right side
    40,933.84x = 1,438,247,593.15
  5. Step 5: Solve for x
    x = 1,438,247,593.15/40,933.84
  6. Step 6: Final answer
    x = 35,135.91

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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.