Home / 79,820.44-119,727.32-19,848.95

Finding the Fourth Proportional to 79,820.44, 119,727.32 and 19,848.95

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Solution

The fourth proportional to 79,820.44, 119,727.32 and 19,848.95 is: 29,772.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,820.44 : 119,727.32 = 19,848.95 : x
  2. Step 2: Convert to fraction form
    79,820.44/119,727.32 = 19,848.95/x
  3. Step 3: Cross multiply
    79,820.44x = 119,727.32 × 19,848.95
  4. Step 4: Simplify right side
    79,820.44x = 2,376,461,339.41
  5. Step 5: Solve for x
    x = 2,376,461,339.41/79,820.44
  6. Step 6: Final answer
    x = 29,772.59

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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.