Home / 30,508.05-42,101.13-17,079.33

Finding the Fourth Proportional to 30,508.05, 42,101.13 and 17,079.33

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Solution

The fourth proportional to 30,508.05, 42,101.13 and 17,079.33 is: 23,569.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,508.05 : 42,101.13 = 17,079.33 : x
  2. Step 2: Convert to fraction form
    30,508.05/42,101.13 = 17,079.33/x
  3. Step 3: Cross multiply
    30,508.05x = 42,101.13 × 17,079.33
  4. Step 4: Simplify right side
    30,508.05x = 719,059,092.64
  5. Step 5: Solve for x
    x = 719,059,092.64/30,508.05
  6. Step 6: Final answer
    x = 23,569.49

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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.