Home / 45,236.19-67,885.41-20,304.12

Finding the Fourth Proportional to 45,236.19, 67,885.41 and 20,304.12

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Solution

The fourth proportional to 45,236.19, 67,885.41 and 20,304.12 is: 30,470.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,236.19 : 67,885.41 = 20,304.12 : x
  2. Step 2: Convert to fraction form
    45,236.19/67,885.41 = 20,304.12/x
  3. Step 3: Cross multiply
    45,236.19x = 67,885.41 × 20,304.12
  4. Step 4: Simplify right side
    45,236.19x = 1,378,353,510.89
  5. Step 5: Solve for x
    x = 1,378,353,510.89/45,236.19
  6. Step 6: Final answer
    x = 30,470.15

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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.