Home / 39,665.16-59,503.30-11,587.28

Finding the Fourth Proportional to 39,665.16, 59,503.30 and 11,587.28

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Solution

The fourth proportional to 39,665.16, 59,503.30 and 11,587.28 is: 17,382.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,665.16 : 59,503.30 = 11,587.28 : x
  2. Step 2: Convert to fraction form
    39,665.16/59,503.30 = 11,587.28/x
  3. Step 3: Cross multiply
    39,665.16x = 59,503.30 × 11,587.28
  4. Step 4: Simplify right side
    39,665.16x = 689,481,071.54
  5. Step 5: Solve for x
    x = 689,481,071.54/39,665.16
  6. Step 6: Final answer
    x = 17,382.54

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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.