Home / 54,431.79-75,123.62-30,560.07

Finding the Fourth Proportional to 54,431.79, 75,123.62 and 30,560.07

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Solution

The fourth proportional to 54,431.79, 75,123.62 and 30,560.07 is: 42,177.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,431.79 : 75,123.62 = 30,560.07 : x
  2. Step 2: Convert to fraction form
    54,431.79/75,123.62 = 30,560.07/x
  3. Step 3: Cross multiply
    54,431.79x = 75,123.62 × 30,560.07
  4. Step 4: Simplify right side
    54,431.79x = 2,295,783,085.85
  5. Step 5: Solve for x
    x = 2,295,783,085.85/54,431.79
  6. Step 6: Final answer
    x = 42,177.25

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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.