Home / 36,342.72-50,152.14-20,426.64

Finding the Fourth Proportional to 36,342.72, 50,152.14 and 20,426.64

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Solution

The fourth proportional to 36,342.72, 50,152.14 and 20,426.64 is: 28,188.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.72 : 50,152.14 = 20,426.64 : x
  2. Step 2: Convert to fraction form
    36,342.72/50,152.14 = 20,426.64/x
  3. Step 3: Cross multiply
    36,342.72x = 50,152.14 × 20,426.64
  4. Step 4: Simplify right side
    36,342.72x = 1,024,439,709.01
  5. Step 5: Solve for x
    x = 1,024,439,709.01/36,342.72
  6. Step 6: Final answer
    x = 28,188.31

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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.