Home / 33,549.71-46,294.88-20,121.53

Finding the Fourth Proportional to 33,549.71, 46,294.88 and 20,121.53

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Solution

The fourth proportional to 33,549.71, 46,294.88 and 20,121.53 is: 27,765.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,549.71 : 46,294.88 = 20,121.53 : x
  2. Step 2: Convert to fraction form
    33,549.71/46,294.88 = 20,121.53/x
  3. Step 3: Cross multiply
    33,549.71x = 46,294.88 × 20,121.53
  4. Step 4: Simplify right side
    33,549.71x = 931,523,484.68
  5. Step 5: Solve for x
    x = 931,523,484.68/33,549.71
  6. Step 6: Final answer
    x = 27,765.47

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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.