Home / 33,878.13-46,753.56-20,449.20

Finding the Fourth Proportional to 33,878.13, 46,753.56 and 20,449.20

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Solution

The fourth proportional to 33,878.13, 46,753.56 and 20,449.20 is: 28,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,878.13 : 46,753.56 = 20,449.20 : x
  2. Step 2: Convert to fraction form
    33,878.13/46,753.56 = 20,449.20/x
  3. Step 3: Cross multiply
    33,878.13x = 46,753.56 × 20,449.20
  4. Step 4: Simplify right side
    33,878.13x = 956,072,899.15
  5. Step 5: Solve for x
    x = 956,072,899.15/33,878.13
  6. Step 6: Final answer
    x = 28,220.95

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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.