Home / 30,250.94-45,378.57-8,064.20

Finding the Fourth Proportional to 30,250.94, 45,378.57 and 8,064.20

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Solution

The fourth proportional to 30,250.94, 45,378.57 and 8,064.20 is: 12,096.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,250.94 : 45,378.57 = 8,064.20 : x
  2. Step 2: Convert to fraction form
    30,250.94/45,378.57 = 8,064.20/x
  3. Step 3: Cross multiply
    30,250.94x = 45,378.57 × 8,064.20
  4. Step 4: Simplify right side
    30,250.94x = 365,941,637.30
  5. Step 5: Solve for x
    x = 365,941,637.30/30,250.94
  6. Step 6: Final answer
    x = 12,096.87

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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.