Home / 36,289.79-50,078.21-20,158.14

Finding the Fourth Proportional to 36,289.79, 50,078.21 and 20,158.14

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Solution

The fourth proportional to 36,289.79, 50,078.21 and 20,158.14 is: 27,817.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,289.79 : 50,078.21 = 20,158.14 : x
  2. Step 2: Convert to fraction form
    36,289.79/50,078.21 = 20,158.14/x
  3. Step 3: Cross multiply
    36,289.79x = 50,078.21 × 20,158.14
  4. Step 4: Simplify right side
    36,289.79x = 1,009,483,711.83
  5. Step 5: Solve for x
    x = 1,009,483,711.83/36,289.79
  6. Step 6: Final answer
    x = 27,817.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.