Home / 57,721.89-79,655.42-32,228.64

Finding the Fourth Proportional to 57,721.89, 79,655.42 and 32,228.64

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Solution

The fourth proportional to 57,721.89, 79,655.42 and 32,228.64 is: 44,475.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,721.89 : 79,655.42 = 32,228.64 : x
  2. Step 2: Convert to fraction form
    57,721.89/79,655.42 = 32,228.64/x
  3. Step 3: Cross multiply
    57,721.89x = 79,655.42 × 32,228.64
  4. Step 4: Simplify right side
    57,721.89x = 2,567,186,274.79
  5. Step 5: Solve for x
    x = 2,567,186,274.79/57,721.89
  6. Step 6: Final answer
    x = 44,475.09

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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.