Home / 43,108.62-64,682.40-19,741.74

Finding the Fourth Proportional to 43,108.62, 64,682.40 and 19,741.74

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Solution

The fourth proportional to 43,108.62, 64,682.40 and 19,741.74 is: 29,621.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,108.62 : 64,682.40 = 19,741.74 : x
  2. Step 2: Convert to fraction form
    43,108.62/64,682.40 = 19,741.74/x
  3. Step 3: Cross multiply
    43,108.62x = 64,682.40 × 19,741.74
  4. Step 4: Simplify right side
    43,108.62x = 1,276,943,123.38
  5. Step 5: Solve for x
    x = 1,276,943,123.38/43,108.62
  6. Step 6: Final answer
    x = 29,621.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.