Home / 30,108.21-41,549.66-16,679.67

Finding the Fourth Proportional to 30,108.21, 41,549.66 and 16,679.67

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Solution

The fourth proportional to 30,108.21, 41,549.66 and 16,679.67 is: 23,018.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.21 : 41,549.66 = 16,679.67 : x
  2. Step 2: Convert to fraction form
    30,108.21/41,549.66 = 16,679.67/x
  3. Step 3: Cross multiply
    30,108.21x = 41,549.66 × 16,679.67
  4. Step 4: Simplify right side
    30,108.21x = 693,034,674.47
  5. Step 5: Solve for x
    x = 693,034,674.47/30,108.21
  6. Step 6: Final answer
    x = 23,018.13

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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.