Home / 40,442.35-60,661.30-12,362.39

Finding the Fourth Proportional to 40,442.35, 60,661.30 and 12,362.39

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Solution

The fourth proportional to 40,442.35, 60,661.30 and 12,362.39 is: 18,542.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,442.35 : 60,661.30 = 12,362.39 : x
  2. Step 2: Convert to fraction form
    40,442.35/60,661.30 = 12,362.39/x
  3. Step 3: Cross multiply
    40,442.35x = 60,661.30 × 12,362.39
  4. Step 4: Simplify right side
    40,442.35x = 749,918,588.13
  5. Step 5: Solve for x
    x = 749,918,588.13/40,442.35
  6. Step 6: Final answer
    x = 18,542.90

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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.