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Finding the Fourth Proportional to 57,749.32, 79,693.46 and 32,599.88

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Solution

The fourth proportional to 57,749.32, 79,693.46 and 32,599.88 is: 44,987.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,749.32 : 79,693.46 = 32,599.88 : x
  2. Step 2: Convert to fraction form
    57,749.32/79,693.46 = 32,599.88/x
  3. Step 3: Cross multiply
    57,749.32x = 79,693.46 × 32,599.88
  4. Step 4: Simplify right side
    57,749.32x = 2,597,997,232.78
  5. Step 5: Solve for x
    x = 2,597,997,232.78/57,749.32
  6. Step 6: Final answer
    x = 44,987.49

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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.