Home / 29,238.18-40,348.14-17,905.86

Finding the Fourth Proportional to 29,238.18, 40,348.14 and 17,905.86

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Solution

The fourth proportional to 29,238.18, 40,348.14 and 17,905.86 is: 24,709.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,238.18 : 40,348.14 = 17,905.86 : x
  2. Step 2: Convert to fraction form
    29,238.18/40,348.14 = 17,905.86/x
  3. Step 3: Cross multiply
    29,238.18x = 40,348.14 × 17,905.86
  4. Step 4: Simplify right side
    29,238.18x = 722,468,146.10
  5. Step 5: Solve for x
    x = 722,468,146.10/29,238.18
  6. Step 6: Final answer
    x = 24,709.75

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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.