Home / 36,929.36-55,430.90-17,221.80

Finding the Fourth Proportional to 36,929.36, 55,430.90 and 17,221.80

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Solution

The fourth proportional to 36,929.36, 55,430.90 and 17,221.80 is: 25,849.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,929.36 : 55,430.90 = 17,221.80 : x
  2. Step 2: Convert to fraction form
    36,929.36/55,430.90 = 17,221.80/x
  3. Step 3: Cross multiply
    36,929.36x = 55,430.90 × 17,221.80
  4. Step 4: Simplify right side
    36,929.36x = 954,619,873.62
  5. Step 5: Solve for x
    x = 954,619,873.62/36,929.36
  6. Step 6: Final answer
    x = 25,849.89

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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.