Home / 40,421.80-60,658.64-27,109.82

Finding the Fourth Proportional to 40,421.80, 60,658.64 and 27,109.82

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Solution

The fourth proportional to 40,421.80, 60,658.64 and 27,109.82 is: 40,682.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.80 : 60,658.64 = 27,109.82 : x
  2. Step 2: Convert to fraction form
    40,421.80/60,658.64 = 27,109.82/x
  3. Step 3: Cross multiply
    40,421.80x = 60,658.64 × 27,109.82
  4. Step 4: Simplify right side
    40,421.80x = 1,644,444,811.84
  5. Step 5: Solve for x
    x = 1,644,444,811.84/40,421.80
  6. Step 6: Final answer
    x = 40,682.13

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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.