Home / 47,480.22-65,531.46-30,505.68

Finding the Fourth Proportional to 47,480.22, 65,531.46 and 30,505.68

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Solution

The fourth proportional to 47,480.22, 65,531.46 and 30,505.68 is: 42,103.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.22 : 65,531.46 = 30,505.68 : x
  2. Step 2: Convert to fraction form
    47,480.22/65,531.46 = 30,505.68/x
  3. Step 3: Cross multiply
    47,480.22x = 65,531.46 × 30,505.68
  4. Step 4: Simplify right side
    47,480.22x = 1,999,081,748.69
  5. Step 5: Solve for x
    x = 1,999,081,748.69/47,480.22
  6. Step 6: Final answer
    x = 42,103.46

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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.