Home / 36,131.57-54,219.22-15,355.07

Finding the Fourth Proportional to 36,131.57, 54,219.22 and 15,355.07

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Solution

The fourth proportional to 36,131.57, 54,219.22 and 15,355.07 is: 23,041.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,131.57 : 54,219.22 = 15,355.07 : x
  2. Step 2: Convert to fraction form
    36,131.57/54,219.22 = 15,355.07/x
  3. Step 3: Cross multiply
    36,131.57x = 54,219.22 × 15,355.07
  4. Step 4: Simplify right side
    36,131.57x = 832,539,570.57
  5. Step 5: Solve for x
    x = 832,539,570.57/36,131.57
  6. Step 6: Final answer
    x = 23,041.89

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1.5x scale

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.