Home / 35,238.82-48,631.11-21,088.90

Finding the Fourth Proportional to 35,238.82, 48,631.11 and 21,088.90

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Solution

The fourth proportional to 35,238.82, 48,631.11 and 21,088.90 is: 29,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,238.82 : 48,631.11 = 21,088.90 : x
  2. Step 2: Convert to fraction form
    35,238.82/48,631.11 = 21,088.90/x
  3. Step 3: Cross multiply
    35,238.82x = 48,631.11 × 21,088.90
  4. Step 4: Simplify right side
    35,238.82x = 1,025,576,615.68
  5. Step 5: Solve for x
    x = 1,025,576,615.68/35,238.82
  6. Step 6: Final answer
    x = 29,103.60

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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.