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Finding the Fourth Proportional to 35,322.58, 48,731.37 and 20,207.17

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Solution

The fourth proportional to 35,322.58, 48,731.37 and 20,207.17 is: 27,878.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,322.58 : 48,731.37 = 20,207.17 : x
  2. Step 2: Convert to fraction form
    35,322.58/48,731.37 = 20,207.17/x
  3. Step 3: Cross multiply
    35,322.58x = 48,731.37 × 20,207.17
  4. Step 4: Simplify right side
    35,322.58x = 984,723,176.73
  5. Step 5: Solve for x
    x = 984,723,176.73/35,322.58
  6. Step 6: Final answer
    x = 27,878.01

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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.