Home / 35,850.72-49,473.12-21,701.28

Finding the Fourth Proportional to 35,850.72, 49,473.12 and 21,701.28

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Solution

The fourth proportional to 35,850.72, 49,473.12 and 21,701.28 is: 29,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,850.72 : 49,473.12 = 21,701.28 : x
  2. Step 2: Convert to fraction form
    35,850.72/49,473.12 = 21,701.28/x
  3. Step 3: Cross multiply
    35,850.72x = 49,473.12 × 21,701.28
  4. Step 4: Simplify right side
    35,850.72x = 1,073,630,029.59
  5. Step 5: Solve for x
    x = 1,073,630,029.59/35,850.72
  6. Step 6: Final answer
    x = 29,947.24

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Half scale
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Double scale
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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.