Home / 36,342.80-50,153.54-20,426.32

Finding the Fourth Proportional to 36,342.80, 50,153.54 and 20,426.32

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Solution

The fourth proportional to 36,342.80, 50,153.54 and 20,426.32 is: 28,188.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,342.80 : 50,153.54 = 20,426.32 : x
  2. Step 2: Convert to fraction form
    36,342.80/50,153.54 = 20,426.32/x
  3. Step 3: Cross multiply
    36,342.80x = 50,153.54 × 20,426.32
  4. Step 4: Simplify right side
    36,342.80x = 1,024,452,257.17
  5. Step 5: Solve for x
    x = 1,024,452,257.17/36,342.80
  6. Step 6: Final answer
    x = 28,188.59

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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.