Home / 43,620.57-65,463.45-16,970.76

Finding the Fourth Proportional to 43,620.57, 65,463.45 and 16,970.76

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Solution

The fourth proportional to 43,620.57, 65,463.45 and 16,970.76 is: 25,468.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,620.57 : 65,463.45 = 16,970.76 : x
  2. Step 2: Convert to fraction form
    43,620.57/65,463.45 = 16,970.76/x
  3. Step 3: Cross multiply
    43,620.57x = 65,463.45 × 16,970.76
  4. Step 4: Simplify right side
    43,620.57x = 1,110,964,498.72
  5. Step 5: Solve for x
    x = 1,110,964,498.72/43,620.57
  6. Step 6: Final answer
    x = 25,468.82

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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.