Home / 29,349.78-40,520.15-19,296.06

Finding the Fourth Proportional to 29,349.78, 40,520.15 and 19,296.06

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Solution

The fourth proportional to 29,349.78, 40,520.15 and 19,296.06 is: 26,640.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,349.78 : 40,520.15 = 19,296.06 : x
  2. Step 2: Convert to fraction form
    29,349.78/40,520.15 = 19,296.06/x
  3. Step 3: Cross multiply
    29,349.78x = 40,520.15 × 19,296.06
  4. Step 4: Simplify right side
    29,349.78x = 781,879,245.61
  5. Step 5: Solve for x
    x = 781,879,245.61/29,349.78
  6. Step 6: Final answer
    x = 26,640.04

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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.