Home / 61,086.06-91,639.02-21,634.62

Finding the Fourth Proportional to 61,086.06, 91,639.02 and 21,634.62

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Solution

The fourth proportional to 61,086.06, 91,639.02 and 21,634.62 is: 32,455.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,086.06 : 91,639.02 = 21,634.62 : x
  2. Step 2: Convert to fraction form
    61,086.06/91,639.02 = 21,634.62/x
  3. Step 3: Cross multiply
    61,086.06x = 91,639.02 × 21,634.62
  4. Step 4: Simplify right side
    61,086.06x = 1,982,575,374.87
  5. Step 5: Solve for x
    x = 1,982,575,374.87/61,086.06
  6. Step 6: Final answer
    x = 32,455.45

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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.