Home / 30,113.70-45,163.26-14,311.74

Finding the Fourth Proportional to 30,113.70, 45,163.26 and 14,311.74

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Solution

The fourth proportional to 30,113.70, 45,163.26 and 14,311.74 is: 21,464.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.70 : 45,163.26 = 14,311.74 : x
  2. Step 2: Convert to fraction form
    30,113.70/45,163.26 = 14,311.74/x
  3. Step 3: Cross multiply
    30,113.70x = 45,163.26 × 14,311.74
  4. Step 4: Simplify right side
    30,113.70x = 646,364,834.67
  5. Step 5: Solve for x
    x = 646,364,834.67/30,113.70
  6. Step 6: Final answer
    x = 21,464.15

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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.