Home / 29,948.78-41,329.55-16,520.51

Finding the Fourth Proportional to 29,948.78, 41,329.55 and 16,520.51

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Solution

The fourth proportional to 29,948.78, 41,329.55 and 16,520.51 is: 22,798.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,948.78 : 41,329.55 = 16,520.51 : x
  2. Step 2: Convert to fraction form
    29,948.78/41,329.55 = 16,520.51/x
  3. Step 3: Cross multiply
    29,948.78x = 41,329.55 × 16,520.51
  4. Step 4: Simplify right side
    29,948.78x = 682,785,244.07
  5. Step 5: Solve for x
    x = 682,785,244.07/29,948.78
  6. Step 6: Final answer
    x = 22,798.43

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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.