Home / 30,342.06-41,867.91-16,911.72

Finding the Fourth Proportional to 30,342.06, 41,867.91 and 16,911.72

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Solution

The fourth proportional to 30,342.06, 41,867.91 and 16,911.72 is: 23,335.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,342.06 : 41,867.91 = 16,911.72 : x
  2. Step 2: Convert to fraction form
    30,342.06/41,867.91 = 16,911.72/x
  3. Step 3: Cross multiply
    30,342.06x = 41,867.91 × 16,911.72
  4. Step 4: Simplify right side
    30,342.06x = 708,058,370.91
  5. Step 5: Solve for x
    x = 708,058,370.91/30,342.06
  6. Step 6: Final answer
    x = 23,335.87

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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.