Home / 19,539.04-29,308.50-4,747.95

Finding the Fourth Proportional to 19,539.04, 29,308.50 and 4,747.95

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Solution

The fourth proportional to 19,539.04, 29,308.50 and 4,747.95 is: 7,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,539.04 : 29,308.50 = 4,747.95 : x
  2. Step 2: Convert to fraction form
    19,539.04/29,308.50 = 4,747.95/x
  3. Step 3: Cross multiply
    19,539.04x = 29,308.50 × 4,747.95
  4. Step 4: Simplify right side
    19,539.04x = 139,155,396.19
  5. Step 5: Solve for x
    x = 139,155,396.19/19,539.04
  6. Step 6: Final answer
    x = 7,121.92

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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.