Home / 36,020.18-49,706.25-20,911.66

Finding the Fourth Proportional to 36,020.18, 49,706.25 and 20,911.66

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Solution

The fourth proportional to 36,020.18, 49,706.25 and 20,911.66 is: 28,857.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.18 : 49,706.25 = 20,911.66 : x
  2. Step 2: Convert to fraction form
    36,020.18/49,706.25 = 20,911.66/x
  3. Step 3: Cross multiply
    36,020.18x = 49,706.25 × 20,911.66
  4. Step 4: Simplify right side
    36,020.18x = 1,039,440,199.88
  5. Step 5: Solve for x
    x = 1,039,440,199.88/36,020.18
  6. Step 6: Final answer
    x = 28,857.16

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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.