Home / 36,659.56-54,989.74-11,699.40

Finding the Fourth Proportional to 36,659.56, 54,989.74 and 11,699.40

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Solution

The fourth proportional to 36,659.56, 54,989.74 and 11,699.40 is: 17,549.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,659.56 : 54,989.74 = 11,699.40 : x
  2. Step 2: Convert to fraction form
    36,659.56/54,989.74 = 11,699.40/x
  3. Step 3: Cross multiply
    36,659.56x = 54,989.74 × 11,699.40
  4. Step 4: Simplify right side
    36,659.56x = 643,346,964.16
  5. Step 5: Solve for x
    x = 643,346,964.16/36,659.56
  6. Step 6: Final answer
    x = 17,549.23

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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.