Home / 57,664.55-86,489.40-18,225.65

Finding the Fourth Proportional to 57,664.55, 86,489.40 and 18,225.65

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Solution

The fourth proportional to 57,664.55, 86,489.40 and 18,225.65 is: 27,336.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.55 : 86,489.40 = 18,225.65 : x
  2. Step 2: Convert to fraction form
    57,664.55/86,489.40 = 18,225.65/x
  3. Step 3: Cross multiply
    57,664.55x = 86,489.40 × 18,225.65
  4. Step 4: Simplify right side
    57,664.55x = 1,576,325,533.11
  5. Step 5: Solve for x
    x = 1,576,325,533.11/57,664.55
  6. Step 6: Final answer
    x = 27,336.13

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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.