Home / 57,457.11-86,185.67-18,017.40

Finding the Fourth Proportional to 57,457.11, 86,185.67 and 18,017.40

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Solution

The fourth proportional to 57,457.11, 86,185.67 and 18,017.40 is: 27,026.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,457.11 : 86,185.67 = 18,017.40 : x
  2. Step 2: Convert to fraction form
    57,457.11/86,185.67 = 18,017.40/x
  3. Step 3: Cross multiply
    57,457.11x = 86,185.67 × 18,017.40
  4. Step 4: Simplify right side
    57,457.11x = 1,552,841,600.57
  5. Step 5: Solve for x
    x = 1,552,841,600.57/57,457.11
  6. Step 6: Final answer
    x = 27,026.10

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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.