Home / 55,252.05-82,878.65-30,278.49

Finding the Fourth Proportional to 55,252.05, 82,878.65 and 30,278.49

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Solution

The fourth proportional to 55,252.05, 82,878.65 and 30,278.49 is: 45,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,252.05 : 82,878.65 = 30,278.49 : x
  2. Step 2: Convert to fraction form
    55,252.05/82,878.65 = 30,278.49/x
  3. Step 3: Cross multiply
    55,252.05x = 82,878.65 × 30,278.49
  4. Step 4: Simplify right side
    55,252.05x = 2,509,440,223.85
  5. Step 5: Solve for x
    x = 2,509,440,223.85/55,252.05
  6. Step 6: Final answer
    x = 45,418.05

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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.