Home / 36,346.24-50,157.84-20,430.64

Finding the Fourth Proportional to 36,346.24, 50,157.84 and 20,430.64

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Solution

The fourth proportional to 36,346.24, 50,157.84 and 20,430.64 is: 28,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,346.24 : 50,157.84 = 20,430.64 : x
  2. Step 2: Convert to fraction form
    36,346.24/50,157.84 = 20,430.64/x
  3. Step 3: Cross multiply
    36,346.24x = 50,157.84 × 20,430.64
  4. Step 4: Simplify right side
    36,346.24x = 1,024,756,772.22
  5. Step 5: Solve for x
    x = 1,024,756,772.22/36,346.24
  6. Step 6: Final answer
    x = 28,194.30

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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.