Home / 49,388.18-74,082.06-19,784.84

Finding the Fourth Proportional to 49,388.18, 74,082.06 and 19,784.84

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Solution

The fourth proportional to 49,388.18, 74,082.06 and 19,784.84 is: 29,677.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,388.18 : 74,082.06 = 19,784.84 : x
  2. Step 2: Convert to fraction form
    49,388.18/74,082.06 = 19,784.84/x
  3. Step 3: Cross multiply
    49,388.18x = 74,082.06 × 19,784.84
  4. Step 4: Simplify right side
    49,388.18x = 1,465,701,333.56
  5. Step 5: Solve for x
    x = 1,465,701,333.56/49,388.18
  6. Step 6: Final answer
    x = 29,677.17

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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.