Home / 45,426.60-68,148.04-18,772.60

Finding the Fourth Proportional to 45,426.60, 68,148.04 and 18,772.60

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Solution

The fourth proportional to 45,426.60, 68,148.04 and 18,772.60 is: 28,162.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,426.60 : 68,148.04 = 18,772.60 : x
  2. Step 2: Convert to fraction form
    45,426.60/68,148.04 = 18,772.60/x
  3. Step 3: Cross multiply
    45,426.60x = 68,148.04 × 18,772.60
  4. Step 4: Simplify right side
    45,426.60x = 1,279,315,895.70
  5. Step 5: Solve for x
    x = 1,279,315,895.70/45,426.60
  6. Step 6: Final answer
    x = 28,162.26

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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.