Home / 68,726.52-94,841.40-38,511.72

Finding the Fourth Proportional to 68,726.52, 94,841.40 and 38,511.72

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Solution

The fourth proportional to 68,726.52, 94,841.40 and 38,511.72 is: 53,145.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,726.52 : 94,841.40 = 38,511.72 : x
  2. Step 2: Convert to fraction form
    68,726.52/94,841.40 = 38,511.72/x
  3. Step 3: Cross multiply
    68,726.52x = 94,841.40 × 38,511.72
  4. Step 4: Simplify right side
    68,726.52x = 3,652,505,441.21
  5. Step 5: Solve for x
    x = 3,652,505,441.21/68,726.52
  6. Step 6: Final answer
    x = 53,145.50

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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.