Home / 37,211.12-51,350.52-20,214.92

Finding the Fourth Proportional to 37,211.12, 51,350.52 and 20,214.92

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Solution

The fourth proportional to 37,211.12, 51,350.52 and 20,214.92 is: 27,896.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.12 : 51,350.52 = 20,214.92 : x
  2. Step 2: Convert to fraction form
    37,211.12/51,350.52 = 20,214.92/x
  3. Step 3: Cross multiply
    37,211.12x = 51,350.52 × 20,214.92
  4. Step 4: Simplify right side
    37,211.12x = 1,038,046,653.76
  5. Step 5: Solve for x
    x = 1,038,046,653.76/37,211.12
  6. Step 6: Final answer
    x = 27,896.14

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Double scale
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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.