Home / 53,331.40-79,969.74-31,188.04

Finding the Fourth Proportional to 53,331.40, 79,969.74 and 31,188.04

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Solution

The fourth proportional to 53,331.40, 79,969.74 and 31,188.04 is: 46,766.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,331.40 : 79,969.74 = 31,188.04 : x
  2. Step 2: Convert to fraction form
    53,331.40/79,969.74 = 31,188.04/x
  3. Step 3: Cross multiply
    53,331.40x = 79,969.74 × 31,188.04
  4. Step 4: Simplify right side
    53,331.40x = 2,494,099,449.91
  5. Step 5: Solve for x
    x = 2,494,099,449.91/53,331.40
  6. Step 6: Final answer
    x = 46,766.06

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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.