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Finding the Fourth Proportional to 35,101.54, 48,443.01 and 19,998.94

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Solution

The fourth proportional to 35,101.54, 48,443.01 and 19,998.94 is: 27,600.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,101.54 : 48,443.01 = 19,998.94 : x
  2. Step 2: Convert to fraction form
    35,101.54/48,443.01 = 19,998.94/x
  3. Step 3: Cross multiply
    35,101.54x = 48,443.01 × 19,998.94
  4. Step 4: Simplify right side
    35,101.54x = 968,808,850.41
  5. Step 5: Solve for x
    x = 968,808,850.41/35,101.54
  6. Step 6: Final answer
    x = 27,600.18

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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.