Home / 62,787.88-94,146.32-20,656.56

Finding the Fourth Proportional to 62,787.88, 94,146.32 and 20,656.56

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Solution

The fourth proportional to 62,787.88, 94,146.32 and 20,656.56 is: 30,973.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,787.88 : 94,146.32 = 20,656.56 : x
  2. Step 2: Convert to fraction form
    62,787.88/94,146.32 = 20,656.56/x
  3. Step 3: Cross multiply
    62,787.88x = 94,146.32 × 20,656.56
  4. Step 4: Simplify right side
    62,787.88x = 1,944,739,107.86
  5. Step 5: Solve for x
    x = 1,944,739,107.86/62,787.88
  6. Step 6: Final answer
    x = 30,973.16

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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.