Home / 30,075.09-45,104.37-16,731.64

Finding the Fourth Proportional to 30,075.09, 45,104.37 and 16,731.64

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Solution

The fourth proportional to 30,075.09, 45,104.37 and 16,731.64 is: 25,092.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,075.09 : 45,104.37 = 16,731.64 : x
  2. Step 2: Convert to fraction form
    30,075.09/45,104.37 = 16,731.64/x
  3. Step 3: Cross multiply
    30,075.09x = 45,104.37 × 16,731.64
  4. Step 4: Simplify right side
    30,075.09x = 754,670,081.27
  5. Step 5: Solve for x
    x = 754,670,081.27/30,075.09
  6. Step 6: Final answer
    x = 25,092.86

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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.