Home / 57,924.16-86,857.60-20,474.72

Finding the Fourth Proportional to 57,924.16, 86,857.60 and 20,474.72

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Solution

The fourth proportional to 57,924.16, 86,857.60 and 20,474.72 is: 30,701.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,924.16 : 86,857.60 = 20,474.72 : x
  2. Step 2: Convert to fraction form
    57,924.16/86,857.60 = 20,474.72/x
  3. Step 3: Cross multiply
    57,924.16x = 86,857.60 × 20,474.72
  4. Step 4: Simplify right side
    57,924.16x = 1,778,385,039.87
  5. Step 5: Solve for x
    x = 1,778,385,039.87/57,924.16
  6. Step 6: Final answer
    x = 30,701.96

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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.