Home / 37,321.36-55,990.28-12,369.20

Finding the Fourth Proportional to 37,321.36, 55,990.28 and 12,369.20

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Solution

The fourth proportional to 37,321.36, 55,990.28 and 12,369.20 is: 18,556.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,321.36 : 55,990.28 = 12,369.20 : x
  2. Step 2: Convert to fraction form
    37,321.36/55,990.28 = 12,369.20/x
  3. Step 3: Cross multiply
    37,321.36x = 55,990.28 × 12,369.20
  4. Step 4: Simplify right side
    37,321.36x = 692,554,971.38
  5. Step 5: Solve for x
    x = 692,554,971.38/37,321.36
  6. Step 6: Final answer
    x = 18,556.53

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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.