Home / 30,313.44-45,373.20-16,238.40

Finding the Fourth Proportional to 30,313.44, 45,373.20 and 16,238.40

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Solution

The fourth proportional to 30,313.44, 45,373.20 and 16,238.40 is: 24,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,313.44 : 45,373.20 = 16,238.40 : x
  2. Step 2: Convert to fraction form
    30,313.44/45,373.20 = 16,238.40/x
  3. Step 3: Cross multiply
    30,313.44x = 45,373.20 × 16,238.40
  4. Step 4: Simplify right side
    30,313.44x = 736,788,170.88
  5. Step 5: Solve for x
    x = 736,788,170.88/30,313.44
  6. Step 6: Final answer
    x = 24,305.66

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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.