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Finding the Fourth Proportional to 29,471.68, 44,207.52 and 8,690.32

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Solution

The fourth proportional to 29,471.68, 44,207.52 and 8,690.32 is: 13,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,471.68 : 44,207.52 = 8,690.32 : x
  2. Step 2: Convert to fraction form
    29,471.68/44,207.52 = 8,690.32/x
  3. Step 3: Cross multiply
    29,471.68x = 44,207.52 × 8,690.32
  4. Step 4: Simplify right side
    29,471.68x = 384,177,495.21
  5. Step 5: Solve for x
    x = 384,177,495.21/29,471.68
  6. Step 6: Final answer
    x = 13,035.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.