Home / 32,930.82-45,445.63-20,181.54

Finding the Fourth Proportional to 32,930.82, 45,445.63 and 20,181.54

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Solution

The fourth proportional to 32,930.82, 45,445.63 and 20,181.54 is: 27,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,930.82 : 45,445.63 = 20,181.54 : x
  2. Step 2: Convert to fraction form
    32,930.82/45,445.63 = 20,181.54/x
  3. Step 3: Cross multiply
    32,930.82x = 45,445.63 × 20,181.54
  4. Step 4: Simplify right side
    32,930.82x = 917,162,806.54
  5. Step 5: Solve for x
    x = 917,162,806.54/32,930.82
  6. Step 6: Final answer
    x = 27,851.20

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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.