Home / 42,908.22-64,362.33-11,743.47

Finding the Fourth Proportional to 42,908.22, 64,362.33 and 11,743.47

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Solution

The fourth proportional to 42,908.22, 64,362.33 and 11,743.47 is: 17,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,908.22 : 64,362.33 = 11,743.47 : x
  2. Step 2: Convert to fraction form
    42,908.22/64,362.33 = 11,743.47/x
  3. Step 3: Cross multiply
    42,908.22x = 64,362.33 × 11,743.47
  4. Step 4: Simplify right side
    42,908.22x = 755,837,091.49
  5. Step 5: Solve for x
    x = 755,837,091.49/42,908.22
  6. Step 6: Final answer
    x = 17,615.21

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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.