Home / 31,158.02-46,744.82-8,971.36

Finding the Fourth Proportional to 31,158.02, 46,744.82 and 8,971.36

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Solution

The fourth proportional to 31,158.02, 46,744.82 and 8,971.36 is: 13,459.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,158.02 : 46,744.82 = 8,971.36 : x
  2. Step 2: Convert to fraction form
    31,158.02/46,744.82 = 8,971.36/x
  3. Step 3: Cross multiply
    31,158.02x = 46,744.82 × 8,971.36
  4. Step 4: Simplify right side
    31,158.02x = 419,364,608.36
  5. Step 5: Solve for x
    x = 419,364,608.36/31,158.02
  6. Step 6: Final answer
    x = 13,459.28

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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.