Home / 31,986.85-44,127.59-18,550.32

Finding the Fourth Proportional to 31,986.85, 44,127.59 and 18,550.32

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Solution

The fourth proportional to 31,986.85, 44,127.59 and 18,550.32 is: 25,591.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,986.85 : 44,127.59 = 18,550.32 : x
  2. Step 2: Convert to fraction form
    31,986.85/44,127.59 = 18,550.32/x
  3. Step 3: Cross multiply
    31,986.85x = 44,127.59 × 18,550.32
  4. Step 4: Simplify right side
    31,986.85x = 818,580,915.33
  5. Step 5: Solve for x
    x = 818,580,915.33/31,986.85
  6. Step 6: Final answer
    x = 25,591.17

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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.