Home / 54,179.77-74,737.99-31,516.21

Finding the Fourth Proportional to 54,179.77, 74,737.99 and 31,516.21

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Solution

The fourth proportional to 54,179.77, 74,737.99 and 31,516.21 is: 43,474.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,179.77 : 74,737.99 = 31,516.21 : x
  2. Step 2: Convert to fraction form
    54,179.77/74,737.99 = 31,516.21/x
  3. Step 3: Cross multiply
    54,179.77x = 74,737.99 × 31,516.21
  4. Step 4: Simplify right side
    54,179.77x = 2,355,458,187.82
  5. Step 5: Solve for x
    x = 2,355,458,187.82/54,179.77
  6. Step 6: Final answer
    x = 43,474.87

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1.5x scale

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.