Home / 45,566.10-68,328.90-20,605.14

Finding the Fourth Proportional to 45,566.10, 68,328.90 and 20,605.14

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Solution

The fourth proportional to 45,566.10, 68,328.90 and 20,605.14 is: 30,898.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,566.10 : 68,328.90 = 20,605.14 : x
  2. Step 2: Convert to fraction form
    45,566.10/68,328.90 = 20,605.14/x
  3. Step 3: Cross multiply
    45,566.10x = 68,328.90 × 20,605.14
  4. Step 4: Simplify right side
    45,566.10x = 1,407,926,550.55
  5. Step 5: Solve for x
    x = 1,407,926,550.55/45,566.10
  6. Step 6: Final answer
    x = 30,898.55

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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.