Home / 41,221.91-61,840.16-13,148.12

Finding the Fourth Proportional to 41,221.91, 61,840.16 and 13,148.12

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Solution

The fourth proportional to 41,221.91, 61,840.16 and 13,148.12 is: 19,724.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,221.91 : 61,840.16 = 13,148.12 : x
  2. Step 2: Convert to fraction form
    41,221.91/61,840.16 = 13,148.12/x
  3. Step 3: Cross multiply
    41,221.91x = 61,840.16 × 13,148.12
  4. Step 4: Simplify right side
    41,221.91x = 813,081,844.50
  5. Step 5: Solve for x
    x = 813,081,844.50/41,221.91
  6. Step 6: Final answer
    x = 19,724.51

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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.