Home / 29,740.91-41,031.15-18,986.18

Finding the Fourth Proportional to 29,740.91, 41,031.15 and 18,986.18

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Solution

The fourth proportional to 29,740.91, 41,031.15 and 18,986.18 is: 26,193.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,740.91 : 41,031.15 = 18,986.18 : x
  2. Step 2: Convert to fraction form
    29,740.91/41,031.15 = 18,986.18/x
  3. Step 3: Cross multiply
    29,740.91x = 41,031.15 × 18,986.18
  4. Step 4: Simplify right side
    29,740.91x = 779,024,594.35
  5. Step 5: Solve for x
    x = 779,024,594.35/29,740.91
  6. Step 6: Final answer
    x = 26,193.71

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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.