Home / 37,090.10-55,637.42-12,132.79

Finding the Fourth Proportional to 37,090.10, 55,637.42 and 12,132.79

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Solution

The fourth proportional to 37,090.10, 55,637.42 and 12,132.79 is: 18,199.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,090.10 : 55,637.42 = 12,132.79 : x
  2. Step 2: Convert to fraction form
    37,090.10/55,637.42 = 12,132.79/x
  3. Step 3: Cross multiply
    37,090.10x = 55,637.42 × 12,132.79
  4. Step 4: Simplify right side
    37,090.10x = 675,036,933.24
  5. Step 5: Solve for x
    x = 675,036,933.24/37,090.10
  6. Step 6: Final answer
    x = 18,199.92

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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.