Home / 39,691.36-59,506.32-17,788

Finding the Fourth Proportional to 39,691.36, 59,506.32 and 17,788

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Solution

The fourth proportional to 39,691.36, 59,506.32 and 17,788 is: 26,668.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,691.36 : 59,506.32 = 17,788 : x
  2. Step 2: Convert to fraction form
    39,691.36/59,506.32 = 17,788/x
  3. Step 3: Cross multiply
    39,691.36x = 59,506.32 × 17,788
  4. Step 4: Simplify right side
    39,691.36x = 1,058,498,420.16
  5. Step 5: Solve for x
    x = 1,058,498,420.16/39,691.36
  6. Step 6: Final answer
    x = 26,668.23

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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.