Home / 36,419.50-50,258.77-20,287.01

Finding the Fourth Proportional to 36,419.50, 50,258.77 and 20,287.01

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Solution

The fourth proportional to 36,419.50, 50,258.77 and 20,287.01 is: 27,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.50 : 50,258.77 = 20,287.01 : x
  2. Step 2: Convert to fraction form
    36,419.50/50,258.77 = 20,287.01/x
  3. Step 3: Cross multiply
    36,419.50x = 50,258.77 × 20,287.01
  4. Step 4: Simplify right side
    36,419.50x = 1,019,600,169.58
  5. Step 5: Solve for x
    x = 1,019,600,169.58/36,419.50
  6. Step 6: Final answer
    x = 27,996.00

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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.