Home / 49,887.77-74,787.15-18,290.45

Finding the Fourth Proportional to 49,887.77, 74,787.15 and 18,290.45

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Solution

The fourth proportional to 49,887.77, 74,787.15 and 18,290.45 is: 27,419.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,887.77 : 74,787.15 = 18,290.45 : x
  2. Step 2: Convert to fraction form
    49,887.77/74,787.15 = 18,290.45/x
  3. Step 3: Cross multiply
    49,887.77x = 74,787.15 × 18,290.45
  4. Step 4: Simplify right side
    49,887.77x = 1,367,890,549.05
  5. Step 5: Solve for x
    x = 1,367,890,549.05/49,887.77
  6. Step 6: Final answer
    x = 27,419.36

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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.