Home / 57,889.34-86,833.05-18,445.91

Finding the Fourth Proportional to 57,889.34, 86,833.05 and 18,445.91

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Solution

The fourth proportional to 57,889.34, 86,833.05 and 18,445.91 is: 27,668.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,889.34 : 86,833.05 = 18,445.91 : x
  2. Step 2: Convert to fraction form
    57,889.34/86,833.05 = 18,445.91/x
  3. Step 3: Cross multiply
    57,889.34x = 86,833.05 × 18,445.91
  4. Step 4: Simplify right side
    57,889.34x = 1,601,714,625.33
  5. Step 5: Solve for x
    x = 1,601,714,625.33/57,889.34
  6. Step 6: Final answer
    x = 27,668.56

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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.