Home / 74,893.56-112,309.29-30,490.17

Finding the Fourth Proportional to 74,893.56, 112,309.29 and 30,490.17

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Solution

The fourth proportional to 74,893.56, 112,309.29 and 30,490.17 is: 45,722.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,893.56 : 112,309.29 = 30,490.17 : x
  2. Step 2: Convert to fraction form
    74,893.56/112,309.29 = 30,490.17/x
  3. Step 3: Cross multiply
    74,893.56x = 112,309.29 × 30,490.17
  4. Step 4: Simplify right side
    74,893.56x = 3,424,329,344.68
  5. Step 5: Solve for x
    x = 3,424,329,344.68/74,893.56
  6. Step 6: Final answer
    x = 45,722.61

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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.