Home / 33,618.48-50,428.20-13,897.20

Finding the Fourth Proportional to 33,618.48, 50,428.20 and 13,897.20

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Solution

The fourth proportional to 33,618.48, 50,428.20 and 13,897.20 is: 20,846.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,618.48 : 50,428.20 = 13,897.20 : x
  2. Step 2: Convert to fraction form
    33,618.48/50,428.20 = 13,897.20/x
  3. Step 3: Cross multiply
    33,618.48x = 50,428.20 × 13,897.20
  4. Step 4: Simplify right side
    33,618.48x = 700,810,781.04
  5. Step 5: Solve for x
    x = 700,810,781.04/33,618.48
  6. Step 6: Final answer
    x = 20,846.00

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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.