Home / 36,259.11-54,367.47-20,457.36

Finding the Fourth Proportional to 36,259.11, 54,367.47 and 20,457.36

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Solution

The fourth proportional to 36,259.11, 54,367.47 and 20,457.36 is: 30,674.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,259.11 : 54,367.47 = 20,457.36 : x
  2. Step 2: Convert to fraction form
    36,259.11/54,367.47 = 20,457.36/x
  3. Step 3: Cross multiply
    36,259.11x = 54,367.47 × 20,457.36
  4. Step 4: Simplify right side
    36,259.11x = 1,112,214,906.08
  5. Step 5: Solve for x
    x = 1,112,214,906.08/36,259.11
  6. Step 6: Final answer
    x = 30,674.08

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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.