Home / 47,968.21-66,196.56-26,458.78

Finding the Fourth Proportional to 47,968.21, 66,196.56 and 26,458.78

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Solution

The fourth proportional to 47,968.21, 66,196.56 and 26,458.78 is: 36,513.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,968.21 : 66,196.56 = 26,458.78 : x
  2. Step 2: Convert to fraction form
    47,968.21/66,196.56 = 26,458.78/x
  3. Step 3: Cross multiply
    47,968.21x = 66,196.56 × 26,458.78
  4. Step 4: Simplify right side
    47,968.21x = 1,751,480,217.80
  5. Step 5: Solve for x
    x = 1,751,480,217.80/47,968.21
  6. Step 6: Final answer
    x = 36,513.35

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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.