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Finding the Fourth Proportional to 57,722.68, 79,658.97 and 32,228.63

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Solution

The fourth proportional to 57,722.68, 79,658.97 and 32,228.63 is: 44,476.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,722.68 : 79,658.97 = 32,228.63 : x
  2. Step 2: Convert to fraction form
    57,722.68/79,658.97 = 32,228.63/x
  3. Step 3: Cross multiply
    57,722.68x = 79,658.97 × 32,228.63
  4. Step 4: Simplify right side
    57,722.68x = 2,567,299,788.60
  5. Step 5: Solve for x
    x = 2,567,299,788.60/57,722.68
  6. Step 6: Final answer
    x = 44,476.45

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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.