Home / 29,436.32-40,620.48-16,861.88

Finding the Fourth Proportional to 29,436.32, 40,620.48 and 16,861.88

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Solution

The fourth proportional to 29,436.32, 40,620.48 and 16,861.88 is: 23,268.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,436.32 : 40,620.48 = 16,861.88 : x
  2. Step 2: Convert to fraction form
    29,436.32/40,620.48 = 16,861.88/x
  3. Step 3: Cross multiply
    29,436.32x = 40,620.48 × 16,861.88
  4. Step 4: Simplify right side
    29,436.32x = 684,937,659.30
  5. Step 5: Solve for x
    x = 684,937,659.30/29,436.32
  6. Step 6: Final answer
    x = 23,268.45

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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.