Home / 32,765.82-45,216.73-18,621.39

Finding the Fourth Proportional to 32,765.82, 45,216.73 and 18,621.39

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Solution

The fourth proportional to 32,765.82, 45,216.73 and 18,621.39 is: 25,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,765.82 : 45,216.73 = 18,621.39 : x
  2. Step 2: Convert to fraction form
    32,765.82/45,216.73 = 18,621.39/x
  3. Step 3: Cross multiply
    32,765.82x = 45,216.73 × 18,621.39
  4. Step 4: Simplify right side
    32,765.82x = 841,998,556.69
  5. Step 5: Solve for x
    x = 841,998,556.69/32,765.82
  6. Step 6: Final answer
    x = 25,697.47

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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.