Home / 39,426-59,105.85-18,355.26

Finding the Fourth Proportional to 39,426, 59,105.85 and 18,355.26

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Solution

The fourth proportional to 39,426, 59,105.85 and 18,355.26 is: 27,517.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,426 : 59,105.85 = 18,355.26 : x
  2. Step 2: Convert to fraction form
    39,426/59,105.85 = 18,355.26/x
  3. Step 3: Cross multiply
    39,426x = 59,105.85 × 18,355.26
  4. Step 4: Simplify right side
    39,426x = 1,084,903,244.27
  5. Step 5: Solve for x
    x = 1,084,903,244.27/39,426
  6. Step 6: Final answer
    x = 27,517.46

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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.