Home / 36,190.86-49,943.34-20,275.43

Finding the Fourth Proportional to 36,190.86, 49,943.34 and 20,275.43

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Solution

The fourth proportional to 36,190.86, 49,943.34 and 20,275.43 is: 27,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,190.86 : 49,943.34 = 20,275.43 : x
  2. Step 2: Convert to fraction form
    36,190.86/49,943.34 = 20,275.43/x
  3. Step 3: Cross multiply
    36,190.86x = 49,943.34 × 20,275.43
  4. Step 4: Simplify right side
    36,190.86x = 1,012,622,444.42
  5. Step 5: Solve for x
    x = 1,012,622,444.42/36,190.86
  6. Step 6: Final answer
    x = 27,980.06

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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.