Home / 36,302.32-50,090.34-20,385.82

Finding the Fourth Proportional to 36,302.32, 50,090.34 and 20,385.82

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Solution

The fourth proportional to 36,302.32, 50,090.34 and 20,385.82 is: 28,128.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,302.32 : 50,090.34 = 20,385.82 : x
  2. Step 2: Convert to fraction form
    36,302.32/50,090.34 = 20,385.82/x
  3. Step 3: Cross multiply
    36,302.32x = 50,090.34 × 20,385.82
  4. Step 4: Simplify right side
    36,302.32x = 1,021,132,654.98
  5. Step 5: Solve for x
    x = 1,021,132,654.98/36,302.32
  6. Step 6: Final answer
    x = 28,128.58

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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.