Home / 53,370.42-79,944.91-31,116.30

Finding the Fourth Proportional to 53,370.42, 79,944.91 and 31,116.30

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Solution

The fourth proportional to 53,370.42, 79,944.91 and 31,116.30 is: 46,609.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,370.42 : 79,944.91 = 31,116.30 : x
  2. Step 2: Convert to fraction form
    53,370.42/79,944.91 = 31,116.30/x
  3. Step 3: Cross multiply
    53,370.42x = 79,944.91 × 31,116.30
  4. Step 4: Simplify right side
    53,370.42x = 2,487,589,725.24
  5. Step 5: Solve for x
    x = 2,487,589,725.24/53,370.42
  6. Step 6: Final answer
    x = 46,609.90

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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.