Home / 45,567.90-68,355.42-12,287.46

Finding the Fourth Proportional to 45,567.90, 68,355.42 and 12,287.46

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Solution

The fourth proportional to 45,567.90, 68,355.42 and 12,287.46 is: 18,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,567.90 : 68,355.42 = 12,287.46 : x
  2. Step 2: Convert to fraction form
    45,567.90/68,355.42 = 12,287.46/x
  3. Step 3: Cross multiply
    45,567.90x = 68,355.42 × 12,287.46
  4. Step 4: Simplify right side
    45,567.90x = 839,914,489.03
  5. Step 5: Solve for x
    x = 839,914,489.03/45,567.90
  6. Step 6: Final answer
    x = 18,432.15

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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.