Home / 29,720.90-41,016.30-16,292.72

Finding the Fourth Proportional to 29,720.90, 41,016.30 and 16,292.72

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Solution

The fourth proportional to 29,720.90, 41,016.30 and 16,292.72 is: 22,484.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.90 : 41,016.30 = 16,292.72 : x
  2. Step 2: Convert to fraction form
    29,720.90/41,016.30 = 16,292.72/x
  3. Step 3: Cross multiply
    29,720.90x = 41,016.30 × 16,292.72
  4. Step 4: Simplify right side
    29,720.90x = 668,267,091.34
  5. Step 5: Solve for x
    x = 668,267,091.34/29,720.90
  6. Step 6: Final answer
    x = 22,484.75

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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.