Home / 47,276.78-70,907.40-19,195.70

Finding the Fourth Proportional to 47,276.78, 70,907.40 and 19,195.70

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Solution

The fourth proportional to 47,276.78, 70,907.40 and 19,195.70 is: 28,790.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.78 : 70,907.40 = 19,195.70 : x
  2. Step 2: Convert to fraction form
    47,276.78/70,907.40 = 19,195.70/x
  3. Step 3: Cross multiply
    47,276.78x = 70,907.40 × 19,195.70
  4. Step 4: Simplify right side
    47,276.78x = 1,361,116,823.64
  5. Step 5: Solve for x
    x = 1,361,116,823.64/47,276.78
  6. Step 6: Final answer
    x = 28,790.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.