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Finding the Fourth Proportional to 32,581.80, 44,971.80 and 30,365.64

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Solution

The fourth proportional to 32,581.80, 44,971.80 and 30,365.64 is: 41,912.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,581.80 : 44,971.80 = 30,365.64 : x
  2. Step 2: Convert to fraction form
    32,581.80/44,971.80 = 30,365.64/x
  3. Step 3: Cross multiply
    32,581.80x = 44,971.80 × 30,365.64
  4. Step 4: Simplify right side
    32,581.80x = 1,365,597,488.95
  5. Step 5: Solve for x
    x = 1,365,597,488.95/32,581.80
  6. Step 6: Final answer
    x = 41,912.89

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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.