Home / 47,429.78-65,453.55-26,209.40

Finding the Fourth Proportional to 47,429.78, 65,453.55 and 26,209.40

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Solution

The fourth proportional to 47,429.78, 65,453.55 and 26,209.40 is: 36,169.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,429.78 : 65,453.55 = 26,209.40 : x
  2. Step 2: Convert to fraction form
    47,429.78/65,453.55 = 26,209.40/x
  3. Step 3: Cross multiply
    47,429.78x = 65,453.55 × 26,209.40
  4. Step 4: Simplify right side
    47,429.78x = 1,715,498,273.37
  5. Step 5: Solve for x
    x = 1,715,498,273.37/47,429.78
  6. Step 6: Final answer
    x = 36,169.22

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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.