Home / 39,587.88-59,388.36-18,804.36

Finding the Fourth Proportional to 39,587.88, 59,388.36 and 18,804.36

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Solution

The fourth proportional to 39,587.88, 59,388.36 and 18,804.36 is: 28,209.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,587.88 : 59,388.36 = 18,804.36 : x
  2. Step 2: Convert to fraction form
    39,587.88/59,388.36 = 18,804.36/x
  3. Step 3: Cross multiply
    39,587.88x = 59,388.36 × 18,804.36
  4. Step 4: Simplify right side
    39,587.88x = 1,116,760,101.25
  5. Step 5: Solve for x
    x = 1,116,760,101.25/39,587.88
  6. Step 6: Final answer
    x = 28,209.65

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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.