Home / 37,143.60-55,669.32-18,403.44

Finding the Fourth Proportional to 37,143.60, 55,669.32 and 18,403.44

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Solution

The fourth proportional to 37,143.60, 55,669.32 and 18,403.44 is: 27,582.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,143.60 : 55,669.32 = 18,403.44 : x
  2. Step 2: Convert to fraction form
    37,143.60/55,669.32 = 18,403.44/x
  3. Step 3: Cross multiply
    37,143.60x = 55,669.32 × 18,403.44
  4. Step 4: Simplify right side
    37,143.60x = 1,024,506,990.46
  5. Step 5: Solve for x
    x = 1,024,506,990.46/37,143.60
  6. Step 6: Final answer
    x = 27,582.33

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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.