Home / 36,143.71-54,202.08-12,444.56

Finding the Fourth Proportional to 36,143.71, 54,202.08 and 12,444.56

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Solution

The fourth proportional to 36,143.71, 54,202.08 and 12,444.56 is: 18,662.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,143.71 : 54,202.08 = 12,444.56 : x
  2. Step 2: Convert to fraction form
    36,143.71/54,202.08 = 12,444.56/x
  3. Step 3: Cross multiply
    36,143.71x = 54,202.08 × 12,444.56
  4. Step 4: Simplify right side
    36,143.71x = 674,521,036.68
  5. Step 5: Solve for x
    x = 674,521,036.68/36,143.71
  6. Step 6: Final answer
    x = 18,662.20

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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.