Home / 37,918.18-52,327.58-20,923.12

Finding the Fourth Proportional to 37,918.18, 52,327.58 and 20,923.12

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Solution

The fourth proportional to 37,918.18, 52,327.58 and 20,923.12 is: 28,874.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.18 : 52,327.58 = 20,923.12 : x
  2. Step 2: Convert to fraction form
    37,918.18/52,327.58 = 20,923.12/x
  3. Step 3: Cross multiply
    37,918.18x = 52,327.58 × 20,923.12
  4. Step 4: Simplify right side
    37,918.18x = 1,094,856,235.65
  5. Step 5: Solve for x
    x = 1,094,856,235.65/37,918.18
  6. Step 6: Final answer
    x = 28,874.18

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Double scale
Find fourth proportional to 37,919.18, 52,328.96 and 20,924.12
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.