Home / 50,891.31-76,281.08-21,327.93

Finding the Fourth Proportional to 50,891.31, 76,281.08 and 21,327.93

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Solution

The fourth proportional to 50,891.31, 76,281.08 and 21,327.93 is: 31,968.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,891.31 : 76,281.08 = 21,327.93 : x
  2. Step 2: Convert to fraction form
    50,891.31/76,281.08 = 21,327.93/x
  3. Step 3: Cross multiply
    50,891.31x = 76,281.08 × 21,327.93
  4. Step 4: Simplify right side
    50,891.31x = 1,626,917,427.92
  5. Step 5: Solve for x
    x = 1,626,917,427.92/50,891.31
  6. Step 6: Final answer
    x = 31,968.47

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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.