Home / 33,913.60-50,726.40-30,428.80

Finding the Fourth Proportional to 33,913.60, 50,726.40 and 30,428.80

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Solution

The fourth proportional to 33,913.60, 50,726.40 and 30,428.80 is: 45,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,913.60 : 50,726.40 = 30,428.80 : x
  2. Step 2: Convert to fraction form
    33,913.60/50,726.40 = 30,428.80/x
  3. Step 3: Cross multiply
    33,913.60x = 50,726.40 × 30,428.80
  4. Step 4: Simplify right side
    33,913.60x = 1,543,543,480.32
  5. Step 5: Solve for x
    x = 1,543,543,480.32/33,913.60
  6. Step 6: Final answer
    x = 45,514.00

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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.