Home / 38,818.91-58,186.85-20,080.08

Finding the Fourth Proportional to 38,818.91, 58,186.85 and 20,080.08

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Solution

The fourth proportional to 38,818.91, 58,186.85 and 20,080.08 is: 30,098.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,818.91 : 58,186.85 = 20,080.08 : x
  2. Step 2: Convert to fraction form
    38,818.91/58,186.85 = 20,080.08/x
  3. Step 3: Cross multiply
    38,818.91x = 58,186.85 × 20,080.08
  4. Step 4: Simplify right side
    38,818.91x = 1,168,396,502.55
  5. Step 5: Solve for x
    x = 1,168,396,502.55/38,818.91
  6. Step 6: Final answer
    x = 30,098.65

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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.