Home / 45,036.16-67,568.82-21,659.56

Finding the Fourth Proportional to 45,036.16, 67,568.82 and 21,659.56

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Solution

The fourth proportional to 45,036.16, 67,568.82 and 21,659.56 is: 32,496.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,036.16 : 67,568.82 = 21,659.56 : x
  2. Step 2: Convert to fraction form
    45,036.16/67,568.82 = 21,659.56/x
  3. Step 3: Cross multiply
    45,036.16x = 67,568.82 × 21,659.56
  4. Step 4: Simplify right side
    45,036.16x = 1,463,510,910.92
  5. Step 5: Solve for x
    x = 1,463,510,910.92/45,036.16
  6. Step 6: Final answer
    x = 32,496.35

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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.