Home / 47,620.60-65,718.68-26,400.36

Finding the Fourth Proportional to 47,620.60, 65,718.68 and 26,400.36

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Solution

The fourth proportional to 47,620.60, 65,718.68 and 26,400.36 is: 36,433.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,620.60 : 65,718.68 = 26,400.36 : x
  2. Step 2: Convert to fraction form
    47,620.60/65,718.68 = 26,400.36/x
  3. Step 3: Cross multiply
    47,620.60x = 65,718.68 × 26,400.36
  4. Step 4: Simplify right side
    47,620.60x = 1,734,996,810.72
  5. Step 5: Solve for x
    x = 1,734,996,810.72/47,620.60
  6. Step 6: Final answer
    x = 36,433.75

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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.