Home / 31,986.35-44,126.90-18,549.82

Finding the Fourth Proportional to 31,986.35, 44,126.90 and 18,549.82

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Solution

The fourth proportional to 31,986.35, 44,126.90 and 18,549.82 is: 25,590.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.35 : 44,126.90 = 18,549.82 : x
  2. Step 2: Convert to fraction form
    31,986.35/44,126.90 = 18,549.82/x
  3. Step 3: Cross multiply
    31,986.35x = 44,126.90 × 18,549.82
  4. Step 4: Simplify right side
    31,986.35x = 818,546,012.19
  5. Step 5: Solve for x
    x = 818,546,012.19/31,986.35
  6. Step 6: Final answer
    x = 25,590.48

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1.5x scale

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.