Home / 57,739.98-86,612.38-18,296.22

Finding the Fourth Proportional to 57,739.98, 86,612.38 and 18,296.22

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Solution

The fourth proportional to 57,739.98, 86,612.38 and 18,296.22 is: 27,445.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,739.98 : 86,612.38 = 18,296.22 : x
  2. Step 2: Convert to fraction form
    57,739.98/86,612.38 = 18,296.22/x
  3. Step 3: Cross multiply
    57,739.98x = 86,612.38 × 18,296.22
  4. Step 4: Simplify right side
    57,739.98x = 1,584,679,159.20
  5. Step 5: Solve for x
    x = 1,584,679,159.20/57,739.98
  6. Step 6: Final answer
    x = 27,445.09

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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.