Home / 30,150.23-41,608.70-16,720.68

Finding the Fourth Proportional to 30,150.23, 41,608.70 and 16,720.68

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Solution

The fourth proportional to 30,150.23, 41,608.70 and 16,720.68 is: 23,075.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,150.23 : 41,608.70 = 16,720.68 : x
  2. Step 2: Convert to fraction form
    30,150.23/41,608.70 = 16,720.68/x
  3. Step 3: Cross multiply
    30,150.23x = 41,608.70 × 16,720.68
  4. Step 4: Simplify right side
    30,150.23x = 695,725,778.82
  5. Step 5: Solve for x
    x = 695,725,778.82/30,150.23
  6. Step 6: Final answer
    x = 23,075.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.