Home / 32,940.97-45,462.12-21,619.60

Finding the Fourth Proportional to 32,940.97, 45,462.12 and 21,619.60

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Solution

The fourth proportional to 32,940.97, 45,462.12 and 21,619.60 is: 29,837.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.97 : 45,462.12 = 21,619.60 : x
  2. Step 2: Convert to fraction form
    32,940.97/45,462.12 = 21,619.60/x
  3. Step 3: Cross multiply
    32,940.97x = 45,462.12 × 21,619.60
  4. Step 4: Simplify right side
    32,940.97x = 982,872,849.55
  5. Step 5: Solve for x
    x = 982,872,849.55/32,940.97
  6. Step 6: Final answer
    x = 29,837.40

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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.