Home / 40,944.78-61,417.94-12,864.32

Finding the Fourth Proportional to 40,944.78, 61,417.94 and 12,864.32

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Solution

The fourth proportional to 40,944.78, 61,417.94 and 12,864.32 is: 19,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,944.78 : 61,417.94 = 12,864.32 : x
  2. Step 2: Convert to fraction form
    40,944.78/61,417.94 = 12,864.32/x
  3. Step 3: Cross multiply
    40,944.78x = 61,417.94 × 12,864.32
  4. Step 4: Simplify right side
    40,944.78x = 790,099,662.49
  5. Step 5: Solve for x
    x = 790,099,662.49/40,944.78
  6. Step 6: Final answer
    x = 19,296.71

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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.