Home / 36,700.60-54,980.16-21,921.36

Finding the Fourth Proportional to 36,700.60, 54,980.16 and 21,921.36

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Solution

The fourth proportional to 36,700.60, 54,980.16 and 21,921.36 is: 32,839.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,700.60 : 54,980.16 = 21,921.36 : x
  2. Step 2: Convert to fraction form
    36,700.60/54,980.16 = 21,921.36/x
  3. Step 3: Cross multiply
    36,700.60x = 54,980.16 × 21,921.36
  4. Step 4: Simplify right side
    36,700.60x = 1,205,239,880.22
  5. Step 5: Solve for x
    x = 1,205,239,880.22/36,700.60
  6. Step 6: Final answer
    x = 32,839.79

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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.