Home / 45,016.19-67,542.46-20,039.18

Finding the Fourth Proportional to 45,016.19, 67,542.46 and 20,039.18

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Solution

The fourth proportional to 45,016.19, 67,542.46 and 20,039.18 is: 30,066.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,016.19 : 67,542.46 = 20,039.18 : x
  2. Step 2: Convert to fraction form
    45,016.19/67,542.46 = 20,039.18/x
  3. Step 3: Cross multiply
    45,016.19x = 67,542.46 × 20,039.18
  4. Step 4: Simplify right side
    45,016.19x = 1,353,495,125.77
  5. Step 5: Solve for x
    x = 1,353,495,125.77/45,016.19
  6. Step 6: Final answer
    x = 30,066.85

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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.