Home / 29,455.56-40,648.68-16,881.12

Finding the Fourth Proportional to 29,455.56, 40,648.68 and 16,881.12

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Solution

The fourth proportional to 29,455.56, 40,648.68 and 16,881.12 is: 23,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.56 : 40,648.68 = 16,881.12 : x
  2. Step 2: Convert to fraction form
    29,455.56/40,648.68 = 16,881.12/x
  3. Step 3: Cross multiply
    29,455.56x = 40,648.68 × 16,881.12
  4. Step 4: Simplify right side
    29,455.56x = 686,195,244.92
  5. Step 5: Solve for x
    x = 686,195,244.92/29,455.56
  6. Step 6: Final answer
    x = 23,295.95

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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.