Home / 40,944.14-61,379.68-15,978.38

Finding the Fourth Proportional to 40,944.14, 61,379.68 and 15,978.38

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Solution

The fourth proportional to 40,944.14, 61,379.68 and 15,978.38 is: 23,953.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.14 : 61,379.68 = 15,978.38 : x
  2. Step 2: Convert to fraction form
    40,944.14/61,379.68 = 15,978.38/x
  3. Step 3: Cross multiply
    40,944.14x = 61,379.68 × 15,978.38
  4. Step 4: Simplify right side
    40,944.14x = 980,747,851.32
  5. Step 5: Solve for x
    x = 980,747,851.32/40,944.14
  6. Step 6: Final answer
    x = 23,953.31

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1.5x scale

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.