Home / 30,512.12-42,101.86-17,083.94

Finding the Fourth Proportional to 30,512.12, 42,101.86 and 17,083.94

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Solution

The fourth proportional to 30,512.12, 42,101.86 and 17,083.94 is: 23,573.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.12 : 42,101.86 = 17,083.94 : x
  2. Step 2: Convert to fraction form
    30,512.12/42,101.86 = 17,083.94/x
  3. Step 3: Cross multiply
    30,512.12x = 42,101.86 × 17,083.94
  4. Step 4: Simplify right side
    30,512.12x = 719,265,650.13
  5. Step 5: Solve for x
    x = 719,265,650.13/30,512.12
  6. Step 6: Final answer
    x = 23,573.11

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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.