Home / 38,911.68-53,698.14-22,144.68

Finding the Fourth Proportional to 38,911.68, 53,698.14 and 22,144.68

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Solution

The fourth proportional to 38,911.68, 53,698.14 and 22,144.68 is: 30,559.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,911.68 : 53,698.14 = 22,144.68 : x
  2. Step 2: Convert to fraction form
    38,911.68/53,698.14 = 22,144.68/x
  3. Step 3: Cross multiply
    38,911.68x = 53,698.14 × 22,144.68
  4. Step 4: Simplify right side
    38,911.68x = 1,189,128,126.90
  5. Step 5: Solve for x
    x = 1,189,128,126.90/38,911.68
  6. Step 6: Final answer
    x = 30,559.67

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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.