Home / 45,432.96-68,160.42-14,268.21

Finding the Fourth Proportional to 45,432.96, 68,160.42 and 14,268.21

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Solution

The fourth proportional to 45,432.96, 68,160.42 and 14,268.21 is: 21,405.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,432.96 : 68,160.42 = 14,268.21 : x
  2. Step 2: Convert to fraction form
    45,432.96/68,160.42 = 14,268.21/x
  3. Step 3: Cross multiply
    45,432.96x = 68,160.42 × 14,268.21
  4. Step 4: Simplify right side
    45,432.96x = 972,527,186.25
  5. Step 5: Solve for x
    x = 972,527,186.25/45,432.96
  6. Step 6: Final answer
    x = 21,405.76

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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.