Home / 30,049.12-45,013.26-14,015.98

Finding the Fourth Proportional to 30,049.12, 45,013.26 and 14,015.98

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Solution

The fourth proportional to 30,049.12, 45,013.26 and 14,015.98 is: 20,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,049.12 : 45,013.26 = 14,015.98 : x
  2. Step 2: Convert to fraction form
    30,049.12/45,013.26 = 14,015.98/x
  3. Step 3: Cross multiply
    30,049.12x = 45,013.26 × 14,015.98
  4. Step 4: Simplify right side
    30,049.12x = 630,904,951.89
  5. Step 5: Solve for x
    x = 630,904,951.89/30,049.12
  6. Step 6: Final answer
    x = 20,995.79

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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.