Home / 36,031.80-49,723.76-20,116.11

Finding the Fourth Proportional to 36,031.80, 49,723.76 and 20,116.11

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Solution

The fourth proportional to 36,031.80, 49,723.76 and 20,116.11 is: 27,760.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,031.80 : 49,723.76 = 20,116.11 : x
  2. Step 2: Convert to fraction form
    36,031.80/49,723.76 = 20,116.11/x
  3. Step 3: Cross multiply
    36,031.80x = 49,723.76 × 20,116.11
  4. Step 4: Simplify right side
    36,031.80x = 1,000,248,525.19
  5. Step 5: Solve for x
    x = 1,000,248,525.19/36,031.80
  6. Step 6: Final answer
    x = 27,760.16

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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.