Home / 30,512.52-42,105.56-17,083.55

Finding the Fourth Proportional to 30,512.52, 42,105.56 and 17,083.55

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Solution

The fourth proportional to 30,512.52, 42,105.56 and 17,083.55 is: 23,574.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.52 : 42,105.56 = 17,083.55 : x
  2. Step 2: Convert to fraction form
    30,512.52/42,105.56 = 17,083.55/x
  3. Step 3: Cross multiply
    30,512.52x = 42,105.56 × 17,083.55
  4. Step 4: Simplify right side
    30,512.52x = 719,312,235.40
  5. Step 5: Solve for x
    x = 719,312,235.40/30,512.52
  6. Step 6: Final answer
    x = 23,574.33

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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.