Home / 43,071.69-64,607.30-11,485.03

Finding the Fourth Proportional to 43,071.69, 64,607.30 and 11,485.03

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Solution

The fourth proportional to 43,071.69, 64,607.30 and 11,485.03 is: 17,227.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,071.69 : 64,607.30 = 11,485.03 : x
  2. Step 2: Convert to fraction form
    43,071.69/64,607.30 = 11,485.03/x
  3. Step 3: Cross multiply
    43,071.69x = 64,607.30 × 11,485.03
  4. Step 4: Simplify right side
    43,071.69x = 742,016,778.72
  5. Step 5: Solve for x
    x = 742,016,778.72/43,071.69
  6. Step 6: Final answer
    x = 17,227.48

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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.