Home / 38,927.75-53,720.36-22,160.75

Finding the Fourth Proportional to 38,927.75, 53,720.36 and 22,160.75

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Solution

The fourth proportional to 38,927.75, 53,720.36 and 22,160.75 is: 30,581.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,927.75 : 53,720.36 = 22,160.75 : x
  2. Step 2: Convert to fraction form
    38,927.75/53,720.36 = 22,160.75/x
  3. Step 3: Cross multiply
    38,927.75x = 53,720.36 × 22,160.75
  4. Step 4: Simplify right side
    38,927.75x = 1,190,483,467.87
  5. Step 5: Solve for x
    x = 1,190,483,467.87/38,927.75
  6. Step 6: Final answer
    x = 30,581.87

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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.