Home / 50,434.65-75,587.18-20,872.89

Finding the Fourth Proportional to 50,434.65, 75,587.18 and 20,872.89

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Solution

The fourth proportional to 50,434.65, 75,587.18 and 20,872.89 is: 31,282.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,434.65 : 75,587.18 = 20,872.89 : x
  2. Step 2: Convert to fraction form
    50,434.65/75,587.18 = 20,872.89/x
  3. Step 3: Cross multiply
    50,434.65x = 75,587.18 × 20,872.89
  4. Step 4: Simplify right side
    50,434.65x = 1,577,722,789.19
  5. Step 5: Solve for x
    x = 1,577,722,789.19/50,434.65
  6. Step 6: Final answer
    x = 31,282.52

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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.