Home / 32,961.46-45,484.62-20,383.78

Finding the Fourth Proportional to 32,961.46, 45,484.62 and 20,383.78

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Solution

The fourth proportional to 32,961.46, 45,484.62 and 20,383.78 is: 28,128.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,961.46 : 45,484.62 = 20,383.78 : x
  2. Step 2: Convert to fraction form
    32,961.46/45,484.62 = 20,383.78/x
  3. Step 3: Cross multiply
    32,961.46x = 45,484.62 × 20,383.78
  4. Step 4: Simplify right side
    32,961.46x = 927,148,487.46
  5. Step 5: Solve for x
    x = 927,148,487.46/32,961.46
  6. Step 6: Final answer
    x = 28,128.26

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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.