Home / 38,806.21-53,512.69-32,430.42

Finding the Fourth Proportional to 38,806.21, 53,512.69 and 32,430.42

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Solution

The fourth proportional to 38,806.21, 53,512.69 and 32,430.42 is: 44,720.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,806.21 : 53,512.69 = 32,430.42 : x
  2. Step 2: Convert to fraction form
    38,806.21/53,512.69 = 32,430.42/x
  3. Step 3: Cross multiply
    38,806.21x = 53,512.69 × 32,430.42
  4. Step 4: Simplify right side
    38,806.21x = 1,735,438,797.17
  5. Step 5: Solve for x
    x = 1,735,438,797.17/38,806.21
  6. Step 6: Final answer
    x = 44,720.65

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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.