Home / 33,174.40-45,790.08-21,852.16

Finding the Fourth Proportional to 33,174.40, 45,790.08 and 21,852.16

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Solution

The fourth proportional to 33,174.40, 45,790.08 and 21,852.16 is: 30,162.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,174.40 : 45,790.08 = 21,852.16 : x
  2. Step 2: Convert to fraction form
    33,174.40/45,790.08 = 21,852.16/x
  3. Step 3: Cross multiply
    33,174.40x = 45,790.08 × 21,852.16
  4. Step 4: Simplify right side
    33,174.40x = 1,000,612,154.57
  5. Step 5: Solve for x
    x = 1,000,612,154.57/33,174.40
  6. Step 6: Final answer
    x = 30,162.18

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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.