Home / 40,772.28-61,164.50-14,474.82

Finding the Fourth Proportional to 40,772.28, 61,164.50 and 14,474.82

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Solution

The fourth proportional to 40,772.28, 61,164.50 and 14,474.82 is: 21,714.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,772.28 : 61,164.50 = 14,474.82 : x
  2. Step 2: Convert to fraction form
    40,772.28/61,164.50 = 14,474.82/x
  3. Step 3: Cross multiply
    40,772.28x = 61,164.50 × 14,474.82
  4. Step 4: Simplify right side
    40,772.28x = 885,345,127.89
  5. Step 5: Solve for x
    x = 885,345,127.89/40,772.28
  6. Step 6: Final answer
    x = 21,714.39

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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.