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Finding the Fourth Proportional to 29,240.91, 40,305.06 and 22,856.22

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Solution

The fourth proportional to 29,240.91, 40,305.06 and 22,856.22 is: 31,504.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,240.91 : 40,305.06 = 22,856.22 : x
  2. Step 2: Convert to fraction form
    29,240.91/40,305.06 = 22,856.22/x
  3. Step 3: Cross multiply
    29,240.91x = 40,305.06 × 22,856.22
  4. Step 4: Simplify right side
    29,240.91x = 921,221,318.47
  5. Step 5: Solve for x
    x = 921,221,318.47/29,240.91
  6. Step 6: Final answer
    x = 31,504.54

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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.