Home / 36,418.11-50,256.80-20,502.67

Finding the Fourth Proportional to 36,418.11, 50,256.80 and 20,502.67

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Solution

The fourth proportional to 36,418.11, 50,256.80 and 20,502.67 is: 28,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,418.11 : 50,256.80 = 20,502.67 : x
  2. Step 2: Convert to fraction form
    36,418.11/50,256.80 = 20,502.67/x
  3. Step 3: Cross multiply
    36,418.11x = 50,256.80 × 20,502.67
  4. Step 4: Simplify right side
    36,418.11x = 1,030,398,643.94
  5. Step 5: Solve for x
    x = 1,030,398,643.94/36,418.11
  6. Step 6: Final answer
    x = 28,293.58

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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.