Home / 54,660.78-75,437.24-31,998.40

Finding the Fourth Proportional to 54,660.78, 75,437.24 and 31,998.40

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Solution

The fourth proportional to 54,660.78, 75,437.24 and 31,998.40 is: 44,160.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,660.78 : 75,437.24 = 31,998.40 : x
  2. Step 2: Convert to fraction form
    54,660.78/75,437.24 = 31,998.40/x
  3. Step 3: Cross multiply
    54,660.78x = 75,437.24 × 31,998.40
  4. Step 4: Simplify right side
    54,660.78x = 2,413,870,980.42
  5. Step 5: Solve for x
    x = 2,413,870,980.42/54,660.78
  6. Step 6: Final answer
    x = 44,160.93

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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.