Home / 49,378.30-74,022.70-17,780.94

Finding the Fourth Proportional to 49,378.30, 74,022.70 and 17,780.94

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Solution

The fourth proportional to 49,378.30, 74,022.70 and 17,780.94 is: 26,655.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,378.30 : 74,022.70 = 17,780.94 : x
  2. Step 2: Convert to fraction form
    49,378.30/74,022.70 = 17,780.94/x
  3. Step 3: Cross multiply
    49,378.30x = 74,022.70 × 17,780.94
  4. Step 4: Simplify right side
    49,378.30x = 1,316,193,187.34
  5. Step 5: Solve for x
    x = 1,316,193,187.34/49,378.30
  6. Step 6: Final answer
    x = 26,655.30

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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.