Home / 50,953.18-70,314-30,546.76

Finding the Fourth Proportional to 50,953.18, 70,314 and 30,546.76

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Solution

The fourth proportional to 50,953.18, 70,314 and 30,546.76 is: 42,153.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,953.18 : 70,314 = 30,546.76 : x
  2. Step 2: Convert to fraction form
    50,953.18/70,314 = 30,546.76/x
  3. Step 3: Cross multiply
    50,953.18x = 70,314 × 30,546.76
  4. Step 4: Simplify right side
    50,953.18x = 2,147,864,882.64
  5. Step 5: Solve for x
    x = 2,147,864,882.64/50,953.18
  6. Step 6: Final answer
    x = 42,153.70

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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.