Home / 37,211.03-51,350.86-20,215.31

Finding the Fourth Proportional to 37,211.03, 51,350.86 and 20,215.31

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Solution

The fourth proportional to 37,211.03, 51,350.86 and 20,215.31 is: 27,896.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,211.03 : 51,350.86 = 20,215.31 : x
  2. Step 2: Convert to fraction form
    37,211.03/51,350.86 = 20,215.31/x
  3. Step 3: Cross multiply
    37,211.03x = 51,350.86 × 20,215.31
  4. Step 4: Simplify right side
    37,211.03x = 1,038,073,322.18
  5. Step 5: Solve for x
    x = 1,038,073,322.18/37,211.03
  6. Step 6: Final answer
    x = 27,896.93

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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.