Home / 29,617.36-40,872.04-16,188.77

Finding the Fourth Proportional to 29,617.36, 40,872.04 and 16,188.77

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Solution

The fourth proportional to 29,617.36, 40,872.04 and 16,188.77 is: 22,340.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,617.36 : 40,872.04 = 16,188.77 : x
  2. Step 2: Convert to fraction form
    29,617.36/40,872.04 = 16,188.77/x
  3. Step 3: Cross multiply
    29,617.36x = 40,872.04 × 16,188.77
  4. Step 4: Simplify right side
    29,617.36x = 661,668,116.70
  5. Step 5: Solve for x
    x = 661,668,116.70/29,617.36
  6. Step 6: Final answer
    x = 22,340.55

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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.