Home / 40,872.81-61,290.08-14,571.42

Finding the Fourth Proportional to 40,872.81, 61,290.08 and 14,571.42

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Solution

The fourth proportional to 40,872.81, 61,290.08 and 14,571.42 is: 21,850.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,872.81 : 61,290.08 = 14,571.42 : x
  2. Step 2: Convert to fraction form
    40,872.81/61,290.08 = 14,571.42/x
  3. Step 3: Cross multiply
    40,872.81x = 61,290.08 × 14,571.42
  4. Step 4: Simplify right side
    40,872.81x = 893,083,497.51
  5. Step 5: Solve for x
    x = 893,083,497.51/40,872.81
  6. Step 6: Final answer
    x = 21,850.31

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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.