Home / 43,149.42-64,724.13-13,571.46

Finding the Fourth Proportional to 43,149.42, 64,724.13 and 13,571.46

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Solution

The fourth proportional to 43,149.42, 64,724.13 and 13,571.46 is: 20,357.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,149.42 : 64,724.13 = 13,571.46 : x
  2. Step 2: Convert to fraction form
    43,149.42/64,724.13 = 13,571.46/x
  3. Step 3: Cross multiply
    43,149.42x = 64,724.13 × 13,571.46
  4. Step 4: Simplify right side
    43,149.42x = 878,400,941.33
  5. Step 5: Solve for x
    x = 878,400,941.33/43,149.42
  6. Step 6: Final answer
    x = 20,357.19

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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.