Home / 47,612.64-65,704.38-26,391.72

Finding the Fourth Proportional to 47,612.64, 65,704.38 and 26,391.72

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Solution

The fourth proportional to 47,612.64, 65,704.38 and 26,391.72 is: 36,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,612.64 : 65,704.38 = 26,391.72 : x
  2. Step 2: Convert to fraction form
    47,612.64/65,704.38 = 26,391.72/x
  3. Step 3: Cross multiply
    47,612.64x = 65,704.38 × 26,391.72
  4. Step 4: Simplify right side
    47,612.64x = 1,734,051,599.73
  5. Step 5: Solve for x
    x = 1,734,051,599.73/47,612.64
  6. Step 6: Final answer
    x = 36,419.98

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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.