Home / 37,216.89-51,358.19-20,220.12

Finding the Fourth Proportional to 37,216.89, 51,358.19 and 20,220.12

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Solution

The fourth proportional to 37,216.89, 51,358.19 and 20,220.12 is: 27,903.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,216.89 : 51,358.19 = 20,220.12 : x
  2. Step 2: Convert to fraction form
    37,216.89/51,358.19 = 20,220.12/x
  3. Step 3: Cross multiply
    37,216.89x = 51,358.19 × 20,220.12
  4. Step 4: Simplify right side
    37,216.89x = 1,038,468,663.68
  5. Step 5: Solve for x
    x = 1,038,468,663.68/37,216.89
  6. Step 6: Final answer
    x = 27,903.16

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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.