Home / 45,702.67-68,577.91-18,705.05

Finding the Fourth Proportional to 45,702.67, 68,577.91 and 18,705.05

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Solution

The fourth proportional to 45,702.67, 68,577.91 and 18,705.05 is: 28,067.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,702.67 : 68,577.91 = 18,705.05 : x
  2. Step 2: Convert to fraction form
    45,702.67/68,577.91 = 18,705.05/x
  3. Step 3: Cross multiply
    45,702.67x = 68,577.91 × 18,705.05
  4. Step 4: Simplify right side
    45,702.67x = 1,282,753,235.45
  5. Step 5: Solve for x
    x = 1,282,753,235.45/45,702.67
  6. Step 6: Final answer
    x = 28,067.36

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1.5x scale

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.