Home / 40,269.15-55,623.76-30,650.63

Finding the Fourth Proportional to 40,269.15, 55,623.76 and 30,650.63

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Solution

The fourth proportional to 40,269.15, 55,623.76 and 30,650.63 is: 42,337.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,269.15 : 55,623.76 = 30,650.63 : x
  2. Step 2: Convert to fraction form
    40,269.15/55,623.76 = 30,650.63/x
  3. Step 3: Cross multiply
    40,269.15x = 55,623.76 × 30,650.63
  4. Step 4: Simplify right side
    40,269.15x = 1,704,902,932.22
  5. Step 5: Solve for x
    x = 1,704,902,932.22/40,269.15
  6. Step 6: Final answer
    x = 42,337.69

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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.