Home / 70,544.09-105,819.37-17,954.03

Finding the Fourth Proportional to 70,544.09, 105,819.37 and 17,954.03

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Solution

The fourth proportional to 70,544.09, 105,819.37 and 17,954.03 is: 26,931.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,544.09 : 105,819.37 = 17,954.03 : x
  2. Step 2: Convert to fraction form
    70,544.09/105,819.37 = 17,954.03/x
  3. Step 3: Cross multiply
    70,544.09x = 105,819.37 × 17,954.03
  4. Step 4: Simplify right side
    70,544.09x = 1,899,883,569.58
  5. Step 5: Solve for x
    x = 1,899,883,569.58/70,544.09
  6. Step 6: Final answer
    x = 26,931.86

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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.