Home / 60,729.36-91,098.36-19,176

Finding the Fourth Proportional to 60,729.36, 91,098.36 and 19,176

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Solution

The fourth proportional to 60,729.36, 91,098.36 and 19,176 is: 28,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,729.36 : 91,098.36 = 19,176 : x
  2. Step 2: Convert to fraction form
    60,729.36/91,098.36 = 19,176/x
  3. Step 3: Cross multiply
    60,729.36x = 91,098.36 × 19,176
  4. Step 4: Simplify right side
    60,729.36x = 1,746,902,151.36
  5. Step 5: Solve for x
    x = 1,746,902,151.36/60,729.36
  6. Step 6: Final answer
    x = 28,765.36

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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.