Home / 35,845.60-49,448-21,301.52

Finding the Fourth Proportional to 35,845.60, 49,448 and 21,301.52

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Solution

The fourth proportional to 35,845.60, 49,448 and 21,301.52 is: 29,384.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,845.60 : 49,448 = 21,301.52 : x
  2. Step 2: Convert to fraction form
    35,845.60/49,448 = 21,301.52/x
  3. Step 3: Cross multiply
    35,845.60x = 49,448 × 21,301.52
  4. Step 4: Simplify right side
    35,845.60x = 1,053,317,560.96
  5. Step 5: Solve for x
    x = 1,053,317,560.96/35,845.60
  6. Step 6: Final answer
    x = 29,384.85

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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.