Home / 79,056.42-118,581.66-19,891.32

Finding the Fourth Proportional to 79,056.42, 118,581.66 and 19,891.32

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Solution

The fourth proportional to 79,056.42, 118,581.66 and 19,891.32 is: 29,836.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,056.42 : 118,581.66 = 19,891.32 : x
  2. Step 2: Convert to fraction form
    79,056.42/118,581.66 = 19,891.32/x
  3. Step 3: Cross multiply
    79,056.42x = 118,581.66 × 19,891.32
  4. Step 4: Simplify right side
    79,056.42x = 2,358,745,745.19
  5. Step 5: Solve for x
    x = 2,358,745,745.19/79,056.42
  6. Step 6: Final answer
    x = 29,836.23

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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.