Home / 45,998.44-68,975.16-18,975.74

Finding the Fourth Proportional to 45,998.44, 68,975.16 and 18,975.74

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Solution

The fourth proportional to 45,998.44, 68,975.16 and 18,975.74 is: 28,454.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,998.44 : 68,975.16 = 18,975.74 : x
  2. Step 2: Convert to fraction form
    45,998.44/68,975.16 = 18,975.74/x
  3. Step 3: Cross multiply
    45,998.44x = 68,975.16 × 18,975.74
  4. Step 4: Simplify right side
    45,998.44x = 1,308,855,075.54
  5. Step 5: Solve for x
    x = 1,308,855,075.54/45,998.44
  6. Step 6: Final answer
    x = 28,454.34

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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.