Home / 30,558.11-42,162.05-17,634.11

Finding the Fourth Proportional to 30,558.11, 42,162.05 and 17,634.11

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Solution

The fourth proportional to 30,558.11, 42,162.05 and 17,634.11 is: 24,330.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,558.11 : 42,162.05 = 17,634.11 : x
  2. Step 2: Convert to fraction form
    30,558.11/42,162.05 = 17,634.11/x
  3. Step 3: Cross multiply
    30,558.11x = 42,162.05 × 17,634.11
  4. Step 4: Simplify right side
    30,558.11x = 743,490,060.80
  5. Step 5: Solve for x
    x = 743,490,060.80/30,558.11
  6. Step 6: Final answer
    x = 24,330.37

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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.