Home / 49,666.49-74,546.56-18,107.06

Finding the Fourth Proportional to 49,666.49, 74,546.56 and 18,107.06

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Solution

The fourth proportional to 49,666.49, 74,546.56 and 18,107.06 is: 27,177.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,666.49 : 74,546.56 = 18,107.06 : x
  2. Step 2: Convert to fraction form
    49,666.49/74,546.56 = 18,107.06/x
  3. Step 3: Cross multiply
    49,666.49x = 74,546.56 × 18,107.06
  4. Step 4: Simplify right side
    49,666.49x = 1,349,818,582.76
  5. Step 5: Solve for x
    x = 1,349,818,582.76/49,666.49
  6. Step 6: Final answer
    x = 27,177.65

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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.