Home / 70,555.26-105,829.23-17,961.54

Finding the Fourth Proportional to 70,555.26, 105,829.23 and 17,961.54

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Solution

The fourth proportional to 70,555.26, 105,829.23 and 17,961.54 is: 26,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,555.26 : 105,829.23 = 17,961.54 : x
  2. Step 2: Convert to fraction form
    70,555.26/105,829.23 = 17,961.54/x
  3. Step 3: Cross multiply
    70,555.26x = 105,829.23 × 17,961.54
  4. Step 4: Simplify right side
    70,555.26x = 1,900,855,947.81
  5. Step 5: Solve for x
    x = 1,900,855,947.81/70,555.26
  6. Step 6: Final answer
    x = 26,941.38

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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.