Home / 45,705.30-68,530.26-29,891.23

Finding the Fourth Proportional to 45,705.30, 68,530.26 and 29,891.23

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Solution

The fourth proportional to 45,705.30, 68,530.26 and 29,891.23 is: 44,818.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,705.30 : 68,530.26 = 29,891.23 : x
  2. Step 2: Convert to fraction form
    45,705.30/68,530.26 = 29,891.23/x
  3. Step 3: Cross multiply
    45,705.30x = 68,530.26 × 29,891.23
  4. Step 4: Simplify right side
    45,705.30x = 2,048,453,763.62
  5. Step 5: Solve for x
    x = 2,048,453,763.62/45,705.30
  6. Step 6: Final answer
    x = 44,818.74

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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.