Home / 43,521.69-65,287.08-18,564.38

Finding the Fourth Proportional to 43,521.69, 65,287.08 and 18,564.38

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Solution

The fourth proportional to 43,521.69, 65,287.08 and 18,564.38 is: 27,848.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,521.69 : 65,287.08 = 18,564.38 : x
  2. Step 2: Convert to fraction form
    43,521.69/65,287.08 = 18,564.38/x
  3. Step 3: Cross multiply
    43,521.69x = 65,287.08 × 18,564.38
  4. Step 4: Simplify right side
    43,521.69x = 1,212,013,835.78
  5. Step 5: Solve for x
    x = 1,212,013,835.78/43,521.69
  6. Step 6: Final answer
    x = 27,848.50

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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.