Home / 49,787.80-68,703.96-29,646.16

Finding the Fourth Proportional to 49,787.80, 68,703.96 and 29,646.16

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Solution

The fourth proportional to 49,787.80, 68,703.96 and 29,646.16 is: 40,909.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,787.80 : 68,703.96 = 29,646.16 : x
  2. Step 2: Convert to fraction form
    49,787.80/68,703.96 = 29,646.16/x
  3. Step 3: Cross multiply
    49,787.80x = 68,703.96 × 29,646.16
  4. Step 4: Simplify right side
    49,787.80x = 2,036,808,590.79
  5. Step 5: Solve for x
    x = 2,036,808,590.79/49,787.80
  6. Step 6: Final answer
    x = 40,909.79

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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.