Home / 33,876.13-46,750.80-20,447.20

Finding the Fourth Proportional to 33,876.13, 46,750.80 and 20,447.20

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Solution

The fourth proportional to 33,876.13, 46,750.80 and 20,447.20 is: 28,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,876.13 : 46,750.80 = 20,447.20 : x
  2. Step 2: Convert to fraction form
    33,876.13/46,750.80 = 20,447.20/x
  3. Step 3: Cross multiply
    33,876.13x = 46,750.80 × 20,447.20
  4. Step 4: Simplify right side
    33,876.13x = 955,922,957.76
  5. Step 5: Solve for x
    x = 955,922,957.76/33,876.13
  6. Step 6: Final answer
    x = 28,218.19

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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.