Home / 79,448.14-119,172.41-19,476.88

Finding the Fourth Proportional to 79,448.14, 119,172.41 and 19,476.88

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Solution

The fourth proportional to 79,448.14, 119,172.41 and 19,476.88 is: 29,215.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.14 : 119,172.41 = 19,476.88 : x
  2. Step 2: Convert to fraction form
    79,448.14/119,172.41 = 19,476.88/x
  3. Step 3: Cross multiply
    79,448.14x = 119,172.41 × 19,476.88
  4. Step 4: Simplify right side
    79,448.14x = 2,321,106,728.88
  5. Step 5: Solve for x
    x = 2,321,106,728.88/79,448.14
  6. Step 6: Final answer
    x = 29,215.37

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1.5x scale

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.