Home / 47,421.72-65,405.07-33,617.70

Finding the Fourth Proportional to 47,421.72, 65,405.07 and 33,617.70

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Solution

The fourth proportional to 47,421.72, 65,405.07 and 33,617.70 is: 46,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,421.72 : 65,405.07 = 33,617.70 : x
  2. Step 2: Convert to fraction form
    47,421.72/65,405.07 = 33,617.70/x
  3. Step 3: Cross multiply
    47,421.72x = 65,405.07 × 33,617.70
  4. Step 4: Simplify right side
    47,421.72x = 2,198,768,021.74
  5. Step 5: Solve for x
    x = 2,198,768,021.74/47,421.72
  6. Step 6: Final answer
    x = 46,366.26

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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.