Home / 37,090.25-55,644.13-12,130.20

Finding the Fourth Proportional to 37,090.25, 55,644.13 and 12,130.20

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Solution

The fourth proportional to 37,090.25, 55,644.13 and 12,130.20 is: 18,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.25 : 55,644.13 = 12,130.20 : x
  2. Step 2: Convert to fraction form
    37,090.25/55,644.13 = 12,130.20/x
  3. Step 3: Cross multiply
    37,090.25x = 55,644.13 × 12,130.20
  4. Step 4: Simplify right side
    37,090.25x = 674,974,365.08
  5. Step 5: Solve for x
    x = 674,974,365.08/37,090.25
  6. Step 6: Final answer
    x = 18,198.16

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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.