Home / 42,669.57-64,004.36-11,504.82

Finding the Fourth Proportional to 42,669.57, 64,004.36 and 11,504.82

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Solution

The fourth proportional to 42,669.57, 64,004.36 and 11,504.82 is: 17,257.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,669.57 : 64,004.36 = 11,504.82 : x
  2. Step 2: Convert to fraction form
    42,669.57/64,004.36 = 11,504.82/x
  3. Step 3: Cross multiply
    42,669.57x = 64,004.36 × 11,504.82
  4. Step 4: Simplify right side
    42,669.57x = 736,358,583.49
  5. Step 5: Solve for x
    x = 736,358,583.49/42,669.57
  6. Step 6: Final answer
    x = 17,257.23

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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.