Home / 39,657.70-59,496.32-11,578.04

Finding the Fourth Proportional to 39,657.70, 59,496.32 and 11,578.04

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Solution

The fourth proportional to 39,657.70, 59,496.32 and 11,578.04 is: 17,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,657.70 : 59,496.32 = 11,578.04 : x
  2. Step 2: Convert to fraction form
    39,657.70/59,496.32 = 11,578.04/x
  3. Step 3: Cross multiply
    39,657.70x = 59,496.32 × 11,578.04
  4. Step 4: Simplify right side
    39,657.70x = 688,850,727.39
  5. Step 5: Solve for x
    x = 688,850,727.39/39,657.70
  6. Step 6: Final answer
    x = 17,369.91

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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.