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Finding the Fourth Proportional to 33,101.04, 45,679.47 and 18,197.04

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Solution

The fourth proportional to 33,101.04, 45,679.47 and 18,197.04 is: 25,111.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101.04 : 45,679.47 = 18,197.04 : x
  2. Step 2: Convert to fraction form
    33,101.04/45,679.47 = 18,197.04/x
  3. Step 3: Cross multiply
    33,101.04x = 45,679.47 × 18,197.04
  4. Step 4: Simplify right side
    33,101.04x = 831,231,142.77
  5. Step 5: Solve for x
    x = 831,231,142.77/33,101.04
  6. Step 6: Final answer
    x = 25,111.93

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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.