Home / 36,419.31-50,263.44-20,506.86

Finding the Fourth Proportional to 36,419.31, 50,263.44 and 20,506.86

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Solution

The fourth proportional to 36,419.31, 50,263.44 and 20,506.86 is: 28,302.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.31 : 50,263.44 = 20,506.86 : x
  2. Step 2: Convert to fraction form
    36,419.31/50,263.44 = 20,506.86/x
  3. Step 3: Cross multiply
    36,419.31x = 50,263.44 × 20,506.86
  4. Step 4: Simplify right side
    36,419.31x = 1,030,745,224.66
  5. Step 5: Solve for x
    x = 1,030,745,224.66/36,419.31
  6. Step 6: Final answer
    x = 28,302.16

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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.