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Finding the Fourth Proportional to 33,300.40, 45,861 and 32,574.64

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Solution

The fourth proportional to 33,300.40, 45,861 and 32,574.64 is: 44,861.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.40 : 45,861 = 32,574.64 : x
  2. Step 2: Convert to fraction form
    33,300.40/45,861 = 32,574.64/x
  3. Step 3: Cross multiply
    33,300.40x = 45,861 × 32,574.64
  4. Step 4: Simplify right side
    33,300.40x = 1,493,905,565.04
  5. Step 5: Solve for x
    x = 1,493,905,565.04/33,300.40
  6. Step 6: Final answer
    x = 44,861.49

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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.