Home / 33,905.13-50,867.42-13,130.25

Finding the Fourth Proportional to 33,905.13, 50,867.42 and 13,130.25

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Solution

The fourth proportional to 33,905.13, 50,867.42 and 13,130.25 is: 19,699.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,905.13 : 50,867.42 = 13,130.25 : x
  2. Step 2: Convert to fraction form
    33,905.13/50,867.42 = 13,130.25/x
  3. Step 3: Cross multiply
    33,905.13x = 50,867.42 × 13,130.25
  4. Step 4: Simplify right side
    33,905.13x = 667,901,875.80
  5. Step 5: Solve for x
    x = 667,901,875.80/33,905.13
  6. Step 6: Final answer
    x = 19,699.14

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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.