Home / 33,988.83-50,925.60-20,813.64

Finding the Fourth Proportional to 33,988.83, 50,925.60 and 20,813.64

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Solution

The fourth proportional to 33,988.83, 50,925.60 and 20,813.64 is: 31,185.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988.83 : 50,925.60 = 20,813.64 : x
  2. Step 2: Convert to fraction form
    33,988.83/50,925.60 = 20,813.64/x
  3. Step 3: Cross multiply
    33,988.83x = 50,925.60 × 20,813.64
  4. Step 4: Simplify right side
    33,988.83x = 1,059,947,105.18
  5. Step 5: Solve for x
    x = 1,059,947,105.18/33,988.83
  6. Step 6: Final answer
    x = 31,185.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.