Home / 57,226.20-85,818.20-19,776.68

Finding the Fourth Proportional to 57,226.20, 85,818.20 and 19,776.68

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Solution

The fourth proportional to 57,226.20, 85,818.20 and 19,776.68 is: 29,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,226.20 : 85,818.20 = 19,776.68 : x
  2. Step 2: Convert to fraction form
    57,226.20/85,818.20 = 19,776.68/x
  3. Step 3: Cross multiply
    57,226.20x = 85,818.20 × 19,776.68
  4. Step 4: Simplify right side
    57,226.20x = 1,697,199,079.58
  5. Step 5: Solve for x
    x = 1,697,199,079.58/57,226.20
  6. Step 6: Final answer
    x = 29,657.73

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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.