Home / 30,056.94-45,089.51-12,522.67

Finding the Fourth Proportional to 30,056.94, 45,089.51 and 12,522.67

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Solution

The fourth proportional to 30,056.94, 45,089.51 and 12,522.67 is: 18,785.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,056.94 : 45,089.51 = 12,522.67 : x
  2. Step 2: Convert to fraction form
    30,056.94/45,089.51 = 12,522.67/x
  3. Step 3: Cross multiply
    30,056.94x = 45,089.51 × 12,522.67
  4. Step 4: Simplify right side
    30,056.94x = 564,640,878.85
  5. Step 5: Solve for x
    x = 564,640,878.85/30,056.94
  6. Step 6: Final answer
    x = 18,785.71

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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.