Home / 43,084.28-64,626.44-13,502.12

Finding the Fourth Proportional to 43,084.28, 64,626.44 and 13,502.12

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Solution

The fourth proportional to 43,084.28, 64,626.44 and 13,502.12 is: 20,253.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,084.28 : 64,626.44 = 13,502.12 : x
  2. Step 2: Convert to fraction form
    43,084.28/64,626.44 = 13,502.12/x
  3. Step 3: Cross multiply
    43,084.28x = 64,626.44 × 13,502.12
  4. Step 4: Simplify right side
    43,084.28x = 872,593,948.05
  5. Step 5: Solve for x
    x = 872,593,948.05/43,084.28
  6. Step 6: Final answer
    x = 20,253.19

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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.