Home / 54,944.38-75,822.78-31,070.98

Finding the Fourth Proportional to 54,944.38, 75,822.78 and 31,070.98

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Solution

The fourth proportional to 54,944.38, 75,822.78 and 31,070.98 is: 42,877.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,944.38 : 75,822.78 = 31,070.98 : x
  2. Step 2: Convert to fraction form
    54,944.38/75,822.78 = 31,070.98/x
  3. Step 3: Cross multiply
    54,944.38x = 75,822.78 × 31,070.98
  4. Step 4: Simplify right side
    54,944.38x = 2,355,888,080.92
  5. Step 5: Solve for x
    x = 2,355,888,080.92/54,944.38
  6. Step 6: Final answer
    x = 42,877.69

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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.