Home / 30,065.21-45,054.67-16,889.85

Finding the Fourth Proportional to 30,065.21, 45,054.67 and 16,889.85

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Solution

The fourth proportional to 30,065.21, 45,054.67 and 16,889.85 is: 25,310.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,065.21 : 45,054.67 = 16,889.85 : x
  2. Step 2: Convert to fraction form
    30,065.21/45,054.67 = 16,889.85/x
  3. Step 3: Cross multiply
    30,065.21x = 45,054.67 × 16,889.85
  4. Step 4: Simplify right side
    30,065.21x = 760,966,618.10
  5. Step 5: Solve for x
    x = 760,966,618.10/30,065.21
  6. Step 6: Final answer
    x = 25,310.54

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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.