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Finding the Fourth Proportional to 33,487.92, 46,219.70 and 22,157.64

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Solution

The fourth proportional to 33,487.92, 46,219.70 and 22,157.64 is: 30,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,487.92 : 46,219.70 = 22,157.64 : x
  2. Step 2: Convert to fraction form
    33,487.92/46,219.70 = 22,157.64/x
  3. Step 3: Cross multiply
    33,487.92x = 46,219.70 × 22,157.64
  4. Step 4: Simplify right side
    33,487.92x = 1,024,119,473.51
  5. Step 5: Solve for x
    x = 1,024,119,473.51/33,487.92
  6. Step 6: Final answer
    x = 30,581.76

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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.