Home / 32,687.28-45,107.64-18,347.04

Finding the Fourth Proportional to 32,687.28, 45,107.64 and 18,347.04

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Solution

The fourth proportional to 32,687.28, 45,107.64 and 18,347.04 is: 25,318.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,687.28 : 45,107.64 = 18,347.04 : x
  2. Step 2: Convert to fraction form
    32,687.28/45,107.64 = 18,347.04/x
  3. Step 3: Cross multiply
    32,687.28x = 45,107.64 × 18,347.04
  4. Step 4: Simplify right side
    32,687.28x = 827,591,675.39
  5. Step 5: Solve for x
    x = 827,591,675.39/32,687.28
  6. Step 6: Final answer
    x = 25,318.46

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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.