Home / 36,834.12-50,831.44-20,918.90

Finding the Fourth Proportional to 36,834.12, 50,831.44 and 20,918.90

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Solution

The fourth proportional to 36,834.12, 50,831.44 and 20,918.90 is: 28,868.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,834.12 : 50,831.44 = 20,918.90 : x
  2. Step 2: Convert to fraction form
    36,834.12/50,831.44 = 20,918.90/x
  3. Step 3: Cross multiply
    36,834.12x = 50,831.44 × 20,918.90
  4. Step 4: Simplify right side
    36,834.12x = 1,063,337,810.22
  5. Step 5: Solve for x
    x = 1,063,337,810.22/36,834.12
  6. Step 6: Final answer
    x = 28,868.28

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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.