Home / 57,530.40-86,295.54-18,090.96

Finding the Fourth Proportional to 57,530.40, 86,295.54 and 18,090.96

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Solution

The fourth proportional to 57,530.40, 86,295.54 and 18,090.96 is: 27,136.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,530.40 : 86,295.54 = 18,090.96 : x
  2. Step 2: Convert to fraction form
    57,530.40/86,295.54 = 18,090.96/x
  3. Step 3: Cross multiply
    57,530.40x = 86,295.54 × 18,090.96
  4. Step 4: Simplify right side
    57,530.40x = 1,561,169,162.32
  5. Step 5: Solve for x
    x = 1,561,169,162.32/57,530.40
  6. Step 6: Final answer
    x = 27,136.42

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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.