Home / 40,538.28-60,817.14-12,836.28

Finding the Fourth Proportional to 40,538.28, 60,817.14 and 12,836.28

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Solution

The fourth proportional to 40,538.28, 60,817.14 and 12,836.28 is: 19,257.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,538.28 : 60,817.14 = 12,836.28 : x
  2. Step 2: Convert to fraction form
    40,538.28/60,817.14 = 12,836.28/x
  3. Step 3: Cross multiply
    40,538.28x = 60,817.14 × 12,836.28
  4. Step 4: Simplify right side
    40,538.28x = 780,665,837.84
  5. Step 5: Solve for x
    x = 780,665,837.84/40,538.28
  6. Step 6: Final answer
    x = 19,257.50

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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.