Home / 57,889.02-86,832.59-18,445.60

Finding the Fourth Proportional to 57,889.02, 86,832.59 and 18,445.60

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Solution

The fourth proportional to 57,889.02, 86,832.59 and 18,445.60 is: 27,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,889.02 : 86,832.59 = 18,445.60 : x
  2. Step 2: Convert to fraction form
    57,889.02/86,832.59 = 18,445.60/x
  3. Step 3: Cross multiply
    57,889.02x = 86,832.59 × 18,445.60
  4. Step 4: Simplify right side
    57,889.02x = 1,601,678,912.79
  5. Step 5: Solve for x
    x = 1,601,678,912.79/57,889.02
  6. Step 6: Final answer
    x = 27,668.10

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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.