Home / 30,502.11-42,093.80-17,073.32

Finding the Fourth Proportional to 30,502.11, 42,093.80 and 17,073.32

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Solution

The fourth proportional to 30,502.11, 42,093.80 and 17,073.32 is: 23,561.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,502.11 : 42,093.80 = 17,073.32 : x
  2. Step 2: Convert to fraction form
    30,502.11/42,093.80 = 17,073.32/x
  3. Step 3: Cross multiply
    30,502.11x = 42,093.80 × 17,073.32
  4. Step 4: Simplify right side
    30,502.11x = 718,681,065.33
  5. Step 5: Solve for x
    x = 718,681,065.33/30,502.11
  6. Step 6: Final answer
    x = 23,561.68

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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.