Home / 53,439.42-80,082.45-30,016.56

Finding the Fourth Proportional to 53,439.42, 80,082.45 and 30,016.56

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Solution

The fourth proportional to 53,439.42, 80,082.45 and 30,016.56 is: 44,981.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,439.42 : 80,082.45 = 30,016.56 : x
  2. Step 2: Convert to fraction form
    53,439.42/80,082.45 = 30,016.56/x
  3. Step 3: Cross multiply
    53,439.42x = 80,082.45 × 30,016.56
  4. Step 4: Simplify right side
    53,439.42x = 2,403,799,665.37
  5. Step 5: Solve for x
    x = 2,403,799,665.37/53,439.42
  6. Step 6: Final answer
    x = 44,981.77

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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.