Home / 30,976.17-42,745.91-17,548.17

Finding the Fourth Proportional to 30,976.17, 42,745.91 and 17,548.17

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Solution

The fourth proportional to 30,976.17, 42,745.91 and 17,548.17 is: 24,215.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,976.17 : 42,745.91 = 17,548.17 : x
  2. Step 2: Convert to fraction form
    30,976.17/42,745.91 = 17,548.17/x
  3. Step 3: Cross multiply
    30,976.17x = 42,745.91 × 17,548.17
  4. Step 4: Simplify right side
    30,976.17x = 750,112,407.74
  5. Step 5: Solve for x
    x = 750,112,407.74/30,976.17
  6. Step 6: Final answer
    x = 24,215.79

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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.