Home / 45,982.89-63,454.59-28,107.81

Finding the Fourth Proportional to 45,982.89, 63,454.59 and 28,107.81

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Solution

The fourth proportional to 45,982.89, 63,454.59 and 28,107.81 is: 38,787.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,982.89 : 63,454.59 = 28,107.81 : x
  2. Step 2: Convert to fraction form
    45,982.89/63,454.59 = 28,107.81/x
  3. Step 3: Cross multiply
    45,982.89x = 63,454.59 × 28,107.81
  4. Step 4: Simplify right side
    45,982.89x = 1,783,569,559.35
  5. Step 5: Solve for x
    x = 1,783,569,559.35/45,982.89
  6. Step 6: Final answer
    x = 38,787.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.