Home / 40,768.90-61,159.44-14,471.44

Finding the Fourth Proportional to 40,768.90, 61,159.44 and 14,471.44

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Solution

The fourth proportional to 40,768.90, 61,159.44 and 14,471.44 is: 21,709.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,768.90 : 61,159.44 = 14,471.44 : x
  2. Step 2: Convert to fraction form
    40,768.90/61,159.44 = 14,471.44/x
  3. Step 3: Cross multiply
    40,768.90x = 61,159.44 × 14,471.44
  4. Step 4: Simplify right side
    40,768.90x = 885,065,166.39
  5. Step 5: Solve for x
    x = 885,065,166.39/40,768.90
  6. Step 6: Final answer
    x = 21,709.32

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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.