Home / 47,480.36-65,523.30-28,613.48

Finding the Fourth Proportional to 47,480.36, 65,523.30 and 28,613.48

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Solution

The fourth proportional to 47,480.36, 65,523.30 and 28,613.48 is: 39,486.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,480.36 : 65,523.30 = 28,613.48 : x
  2. Step 2: Convert to fraction form
    47,480.36/65,523.30 = 28,613.48/x
  3. Step 3: Cross multiply
    47,480.36x = 65,523.30 × 28,613.48
  4. Step 4: Simplify right side
    47,480.36x = 1,874,849,634.08
  5. Step 5: Solve for x
    x = 1,874,849,634.08/47,480.36
  6. Step 6: Final answer
    x = 39,486.85

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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.