Home / 19,920.48-29,875.76-6,069.28

Finding the Fourth Proportional to 19,920.48, 29,875.76 and 6,069.28

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Solution

The fourth proportional to 19,920.48, 29,875.76 and 6,069.28 is: 9,102.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,920.48 : 29,875.76 = 6,069.28 : x
  2. Step 2: Convert to fraction form
    19,920.48/29,875.76 = 6,069.28/x
  3. Step 3: Cross multiply
    19,920.48x = 29,875.76 × 6,069.28
  4. Step 4: Simplify right side
    19,920.48x = 181,324,352.65
  5. Step 5: Solve for x
    x = 181,324,352.65/19,920.48
  6. Step 6: Final answer
    x = 9,102.41

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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.