Home / 47,138.64-65,050.74-25,917.72

Finding the Fourth Proportional to 47,138.64, 65,050.74 and 25,917.72

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Solution

The fourth proportional to 47,138.64, 65,050.74 and 25,917.72 is: 35,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,138.64 : 65,050.74 = 25,917.72 : x
  2. Step 2: Convert to fraction form
    47,138.64/65,050.74 = 25,917.72/x
  3. Step 3: Cross multiply
    47,138.64x = 65,050.74 × 25,917.72
  4. Step 4: Simplify right side
    47,138.64x = 1,685,966,865.11
  5. Step 5: Solve for x
    x = 1,685,966,865.11/47,138.64
  6. Step 6: Final answer
    x = 35,766.13

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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.