Home / 39,817.16-59,723.58-12,113

Finding the Fourth Proportional to 39,817.16, 59,723.58 and 12,113

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Solution

The fourth proportional to 39,817.16, 59,723.58 and 12,113 is: 18,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,817.16 : 59,723.58 = 12,113 : x
  2. Step 2: Convert to fraction form
    39,817.16/59,723.58 = 12,113/x
  3. Step 3: Cross multiply
    39,817.16x = 59,723.58 × 12,113
  4. Step 4: Simplify right side
    39,817.16x = 723,431,724.54
  5. Step 5: Solve for x
    x = 723,431,724.54/39,817.16
  6. Step 6: Final answer
    x = 18,168.84

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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.