Home / 53,928.20-80,919.65-36,361.13

Finding the Fourth Proportional to 53,928.20, 80,919.65 and 36,361.13

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Solution

The fourth proportional to 53,928.20, 80,919.65 and 36,361.13 is: 54,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,928.20 : 80,919.65 = 36,361.13 : x
  2. Step 2: Convert to fraction form
    53,928.20/80,919.65 = 36,361.13/x
  3. Step 3: Cross multiply
    53,928.20x = 80,919.65 × 36,361.13
  4. Step 4: Simplify right side
    53,928.20x = 2,942,329,599.51
  5. Step 5: Solve for x
    x = 2,942,329,599.51/53,928.20
  6. Step 6: Final answer
    x = 54,560.13

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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.