Home / 50,082.51-75,129.70-31,364.10

Finding the Fourth Proportional to 50,082.51, 75,129.70 and 31,364.10

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Solution

The fourth proportional to 50,082.51, 75,129.70 and 31,364.10 is: 47,049.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,082.51 : 75,129.70 = 31,364.10 : x
  2. Step 2: Convert to fraction form
    50,082.51/75,129.70 = 31,364.10/x
  3. Step 3: Cross multiply
    50,082.51x = 75,129.70 × 31,364.10
  4. Step 4: Simplify right side
    50,082.51x = 2,356,375,423.77
  5. Step 5: Solve for x
    x = 2,356,375,423.77/50,082.51
  6. Step 6: Final answer
    x = 47,049.87

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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.