Home / 39,716.40-59,483.87-18,954.48

Finding the Fourth Proportional to 39,716.40, 59,483.87 and 18,954.48

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Solution

The fourth proportional to 39,716.40, 59,483.87 and 18,954.48 is: 28,388.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,716.40 : 59,483.87 = 18,954.48 : x
  2. Step 2: Convert to fraction form
    39,716.40/59,483.87 = 18,954.48/x
  3. Step 3: Cross multiply
    39,716.40x = 59,483.87 × 18,954.48
  4. Step 4: Simplify right side
    39,716.40x = 1,127,485,824.24
  5. Step 5: Solve for x
    x = 1,127,485,824.24/39,716.40
  6. Step 6: Final answer
    x = 28,388.42

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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.