Home / 29,720.76-41,015.21-16,291.92

Finding the Fourth Proportional to 29,720.76, 41,015.21 and 16,291.92

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Solution

The fourth proportional to 29,720.76, 41,015.21 and 16,291.92 is: 22,483.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,720.76 : 41,015.21 = 16,291.92 : x
  2. Step 2: Convert to fraction form
    29,720.76/41,015.21 = 16,291.92/x
  3. Step 3: Cross multiply
    29,720.76x = 41,015.21 × 16,291.92
  4. Step 4: Simplify right side
    29,720.76x = 668,216,520.10
  5. Step 5: Solve for x
    x = 668,216,520.10/29,720.76
  6. Step 6: Final answer
    x = 22,483.16

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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.