Home / 53,924.32-80,870.64-18,857.44

Finding the Fourth Proportional to 53,924.32, 80,870.64 and 18,857.44

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Solution

The fourth proportional to 53,924.32, 80,870.64 and 18,857.44 is: 28,280.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,924.32 : 80,870.64 = 18,857.44 : x
  2. Step 2: Convert to fraction form
    53,924.32/80,870.64 = 18,857.44/x
  3. Step 3: Cross multiply
    53,924.32x = 80,870.64 × 18,857.44
  4. Step 4: Simplify right side
    53,924.32x = 1,525,013,241.56
  5. Step 5: Solve for x
    x = 1,525,013,241.56/53,924.32
  6. Step 6: Final answer
    x = 28,280.62

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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.