Home / 29,818.10-41,124.32-20,242.24

Finding the Fourth Proportional to 29,818.10, 41,124.32 and 20,242.24

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Solution

The fourth proportional to 29,818.10, 41,124.32 and 20,242.24 is: 27,917.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,818.10 : 41,124.32 = 20,242.24 : x
  2. Step 2: Convert to fraction form
    29,818.10/41,124.32 = 20,242.24/x
  3. Step 3: Cross multiply
    29,818.10x = 41,124.32 × 20,242.24
  4. Step 4: Simplify right side
    29,818.10x = 832,448,355.28
  5. Step 5: Solve for x
    x = 832,448,355.28/29,818.10
  6. Step 6: Final answer
    x = 27,917.55

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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.