Home / 62,872.24-86,783.80-40,272.02

Finding the Fourth Proportional to 62,872.24, 86,783.80 and 40,272.02

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Solution

The fourth proportional to 62,872.24, 86,783.80 and 40,272.02 is: 55,588.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,872.24 : 86,783.80 = 40,272.02 : x
  2. Step 2: Convert to fraction form
    62,872.24/86,783.80 = 40,272.02/x
  3. Step 3: Cross multiply
    62,872.24x = 86,783.80 × 40,272.02
  4. Step 4: Simplify right side
    62,872.24x = 3,494,958,929.28
  5. Step 5: Solve for x
    x = 3,494,958,929.28/62,872.24
  6. Step 6: Final answer
    x = 55,588.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.