Home / 33,246.68-45,870.57-21,289.25

Finding the Fourth Proportional to 33,246.68, 45,870.57 and 21,289.25

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Solution

The fourth proportional to 33,246.68, 45,870.57 and 21,289.25 is: 29,372.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,246.68 : 45,870.57 = 21,289.25 : x
  2. Step 2: Convert to fraction form
    33,246.68/45,870.57 = 21,289.25/x
  3. Step 3: Cross multiply
    33,246.68x = 45,870.57 × 21,289.25
  4. Step 4: Simplify right side
    33,246.68x = 976,550,147.05
  5. Step 5: Solve for x
    x = 976,550,147.05/33,246.68
  6. Step 6: Final answer
    x = 29,372.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.