Home / 30,003.60-45,016.32-17,534.46

Finding the Fourth Proportional to 30,003.60, 45,016.32 and 17,534.46

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Solution

The fourth proportional to 30,003.60, 45,016.32 and 17,534.46 is: 26,308.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,003.60 : 45,016.32 = 17,534.46 : x
  2. Step 2: Convert to fraction form
    30,003.60/45,016.32 = 17,534.46/x
  3. Step 3: Cross multiply
    30,003.60x = 45,016.32 × 17,534.46
  4. Step 4: Simplify right side
    30,003.60x = 789,336,862.39
  5. Step 5: Solve for x
    x = 789,336,862.39/30,003.60
  6. Step 6: Final answer
    x = 26,308.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.