Home / 39,435.28-59,103.69-19,719.47

Finding the Fourth Proportional to 39,435.28, 59,103.69 and 19,719.47

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Solution

The fourth proportional to 39,435.28, 59,103.69 and 19,719.47 is: 29,554.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,435.28 : 59,103.69 = 19,719.47 : x
  2. Step 2: Convert to fraction form
    39,435.28/59,103.69 = 19,719.47/x
  3. Step 3: Cross multiply
    39,435.28x = 59,103.69 × 19,719.47
  4. Step 4: Simplify right side
    39,435.28x = 1,165,493,441.84
  5. Step 5: Solve for x
    x = 1,165,493,441.84/39,435.28
  6. Step 6: Final answer
    x = 29,554.59

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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.