Home / 49,509.19-74,283.23-21,787.75

Finding the Fourth Proportional to 49,509.19, 74,283.23 and 21,787.75

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Solution

The fourth proportional to 49,509.19, 74,283.23 and 21,787.75 is: 32,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.19 : 74,283.23 = 21,787.75 : x
  2. Step 2: Convert to fraction form
    49,509.19/74,283.23 = 21,787.75/x
  3. Step 3: Cross multiply
    49,509.19x = 74,283.23 × 21,787.75
  4. Step 4: Simplify right side
    49,509.19x = 1,618,464,444.43
  5. Step 5: Solve for x
    x = 1,618,464,444.43/49,509.19
  6. Step 6: Final answer
    x = 32,690.18

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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.