Home / 37,172.18-55,728.77-18,447.19

Finding the Fourth Proportional to 37,172.18, 55,728.77 and 18,447.19

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Solution

The fourth proportional to 37,172.18, 55,728.77 and 18,447.19 is: 27,656.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,172.18 : 55,728.77 = 18,447.19 : x
  2. Step 2: Convert to fraction form
    37,172.18/55,728.77 = 18,447.19/x
  3. Step 3: Cross multiply
    37,172.18x = 55,728.77 × 18,447.19
  4. Step 4: Simplify right side
    37,172.18x = 1,028,038,837.78
  5. Step 5: Solve for x
    x = 1,028,038,837.78/37,172.18
  6. Step 6: Final answer
    x = 27,656.14

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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.