Home / 40,822.48-61,239-28,148.68

Finding the Fourth Proportional to 40,822.48, 61,239 and 28,148.68

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Solution

The fourth proportional to 40,822.48, 61,239 and 28,148.68 is: 42,226.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,822.48 : 61,239 = 28,148.68 : x
  2. Step 2: Convert to fraction form
    40,822.48/61,239 = 28,148.68/x
  3. Step 3: Cross multiply
    40,822.48x = 61,239 × 28,148.68
  4. Step 4: Simplify right side
    40,822.48x = 1,723,797,014.52
  5. Step 5: Solve for x
    x = 1,723,797,014.52/40,822.48
  6. Step 6: Final answer
    x = 42,226.66

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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.