Home / 61,252.20-91,858.86-19,689.48

Finding the Fourth Proportional to 61,252.20, 91,858.86 and 19,689.48

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Solution

The fourth proportional to 61,252.20, 91,858.86 and 19,689.48 is: 29,527.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,252.20 : 91,858.86 = 19,689.48 : x
  2. Step 2: Convert to fraction form
    61,252.20/91,858.86 = 19,689.48/x
  3. Step 3: Cross multiply
    61,252.20x = 91,858.86 × 19,689.48
  4. Step 4: Simplify right side
    61,252.20x = 1,808,653,186.79
  5. Step 5: Solve for x
    x = 1,808,653,186.79/61,252.20
  6. Step 6: Final answer
    x = 29,527.97

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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.