Home / 40,845.49-61,272.01-15,887.43

Finding the Fourth Proportional to 40,845.49, 61,272.01 and 15,887.43

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Solution

The fourth proportional to 40,845.49, 61,272.01 and 15,887.43 is: 23,832.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,845.49 : 61,272.01 = 15,887.43 : x
  2. Step 2: Convert to fraction form
    40,845.49/61,272.01 = 15,887.43/x
  3. Step 3: Cross multiply
    40,845.49x = 61,272.01 × 15,887.43
  4. Step 4: Simplify right side
    40,845.49x = 973,454,730.12
  5. Step 5: Solve for x
    x = 973,454,730.12/40,845.49
  6. Step 6: Final answer
    x = 23,832.61

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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.