Home / 36,239.16-54,376.12-18,708.98

Finding the Fourth Proportional to 36,239.16, 54,376.12 and 18,708.98

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Solution

The fourth proportional to 36,239.16, 54,376.12 and 18,708.98 is: 28,072.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,239.16 : 54,376.12 = 18,708.98 : x
  2. Step 2: Convert to fraction form
    36,239.16/54,376.12 = 18,708.98/x
  3. Step 3: Cross multiply
    36,239.16x = 54,376.12 × 18,708.98
  4. Step 4: Simplify right side
    36,239.16x = 1,017,321,741.56
  5. Step 5: Solve for x
    x = 1,017,321,741.56/36,239.16
  6. Step 6: Final answer
    x = 28,072.44

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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.