Home / 57,033.72-85,549.14-15,479.64

Finding the Fourth Proportional to 57,033.72, 85,549.14 and 15,479.64

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Solution

The fourth proportional to 57,033.72, 85,549.14 and 15,479.64 is: 23,219.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,033.72 : 85,549.14 = 15,479.64 : x
  2. Step 2: Convert to fraction form
    57,033.72/85,549.14 = 15,479.64/x
  3. Step 3: Cross multiply
    57,033.72x = 85,549.14 × 15,479.64
  4. Step 4: Simplify right side
    57,033.72x = 1,324,269,889.51
  5. Step 5: Solve for x
    x = 1,324,269,889.51/57,033.72
  6. Step 6: Final answer
    x = 23,219.07

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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.