Home / 60,815.31-91,185.71-21,376.95

Finding the Fourth Proportional to 60,815.31, 91,185.71 and 21,376.95

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Solution

The fourth proportional to 60,815.31, 91,185.71 and 21,376.95 is: 32,052.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,815.31 : 91,185.71 = 21,376.95 : x
  2. Step 2: Convert to fraction form
    60,815.31/91,185.71 = 21,376.95/x
  3. Step 3: Cross multiply
    60,815.31x = 91,185.71 × 21,376.95
  4. Step 4: Simplify right side
    60,815.31x = 1,949,272,256.50
  5. Step 5: Solve for x
    x = 1,949,272,256.50/60,815.31
  6. Step 6: Final answer
    x = 32,052.33

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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.