Home / 30,262.21-45,393.32-8,075.67

Finding the Fourth Proportional to 30,262.21, 45,393.32 and 8,075.67

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Solution

The fourth proportional to 30,262.21, 45,393.32 and 8,075.67 is: 12,113.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,262.21 : 45,393.32 = 8,075.67 : x
  2. Step 2: Convert to fraction form
    30,262.21/45,393.32 = 8,075.67/x
  3. Step 3: Cross multiply
    30,262.21x = 45,393.32 × 8,075.67
  4. Step 4: Simplify right side
    30,262.21x = 366,581,472.52
  5. Step 5: Solve for x
    x = 366,581,472.52/30,262.21
  6. Step 6: Final answer
    x = 12,113.51

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Similar ratio
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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.