Home / 37,215.77-51,358.05-20,220.08

Finding the Fourth Proportional to 37,215.77, 51,358.05 and 20,220.08

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Solution

The fourth proportional to 37,215.77, 51,358.05 and 20,220.08 is: 27,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,215.77 : 51,358.05 = 20,220.08 : x
  2. Step 2: Convert to fraction form
    37,215.77/51,358.05 = 20,220.08/x
  3. Step 3: Cross multiply
    37,215.77x = 51,358.05 × 20,220.08
  4. Step 4: Simplify right side
    37,215.77x = 1,038,463,622.85
  5. Step 5: Solve for x
    x = 1,038,463,622.85/37,215.77
  6. Step 6: Final answer
    x = 27,903.86

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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.