Home / 36,488.16-54,732.24-20,894.88

Finding the Fourth Proportional to 36,488.16, 54,732.24 and 20,894.88

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Solution

The fourth proportional to 36,488.16, 54,732.24 and 20,894.88 is: 31,342.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,488.16 : 54,732.24 = 20,894.88 : x
  2. Step 2: Convert to fraction form
    36,488.16/54,732.24 = 20,894.88/x
  3. Step 3: Cross multiply
    36,488.16x = 54,732.24 × 20,894.88
  4. Step 4: Simplify right side
    36,488.16x = 1,143,623,586.93
  5. Step 5: Solve for x
    x = 1,143,623,586.93/36,488.16
  6. Step 6: Final answer
    x = 31,342.32

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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.