Home / 37,200.12-55,808.40-12,239.16

Finding the Fourth Proportional to 37,200.12, 55,808.40 and 12,239.16

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Solution

The fourth proportional to 37,200.12, 55,808.40 and 12,239.16 is: 18,361.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,200.12 : 55,808.40 = 12,239.16 : x
  2. Step 2: Convert to fraction form
    37,200.12/55,808.40 = 12,239.16/x
  3. Step 3: Cross multiply
    37,200.12x = 55,808.40 × 12,239.16
  4. Step 4: Simplify right side
    37,200.12x = 683,047,936.94
  5. Step 5: Solve for x
    x = 683,047,936.94/37,200.12
  6. Step 6: Final answer
    x = 18,361.44

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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.