Home / 57,459.11-86,188.67-18,019.40

Finding the Fourth Proportional to 57,459.11, 86,188.67 and 18,019.40

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Solution

The fourth proportional to 57,459.11, 86,188.67 and 18,019.40 is: 27,029.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,459.11 : 86,188.67 = 18,019.40 : x
  2. Step 2: Convert to fraction form
    57,459.11/86,188.67 = 18,019.40/x
  3. Step 3: Cross multiply
    57,459.11x = 86,188.67 × 18,019.40
  4. Step 4: Simplify right side
    57,459.11x = 1,553,068,120.20
  5. Step 5: Solve for x
    x = 1,553,068,120.20/57,459.11
  6. Step 6: Final answer
    x = 27,029.10

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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.