Home / 36,683.24-54,979.50-20,901.50

Finding the Fourth Proportional to 36,683.24, 54,979.50 and 20,901.50

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Solution

The fourth proportional to 36,683.24, 54,979.50 and 20,901.50 is: 31,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,683.24 : 54,979.50 = 20,901.50 : x
  2. Step 2: Convert to fraction form
    36,683.24/54,979.50 = 20,901.50/x
  3. Step 3: Cross multiply
    36,683.24x = 54,979.50 × 20,901.50
  4. Step 4: Simplify right side
    36,683.24x = 1,149,154,019.25
  5. Step 5: Solve for x
    x = 1,149,154,019.25/36,683.24
  6. Step 6: Final answer
    x = 31,326.40

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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.