Home / 68,787.26-94,933.98-38,575.47

Finding the Fourth Proportional to 68,787.26, 94,933.98 and 38,575.47

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Solution

The fourth proportional to 68,787.26, 94,933.98 and 38,575.47 is: 53,238.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,787.26 : 94,933.98 = 38,575.47 : x
  2. Step 2: Convert to fraction form
    68,787.26/94,933.98 = 38,575.47/x
  3. Step 3: Cross multiply
    68,787.26x = 94,933.98 × 38,575.47
  4. Step 4: Simplify right side
    68,787.26x = 3,662,122,897.47
  5. Step 5: Solve for x
    x = 3,662,122,897.47/68,787.26
  6. Step 6: Final answer
    x = 53,238.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.