Home / 30,222.04-45,286.87-12,682.30

Finding the Fourth Proportional to 30,222.04, 45,286.87 and 12,682.30

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Solution

The fourth proportional to 30,222.04, 45,286.87 and 12,682.30 is: 19,004.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,222.04 : 45,286.87 = 12,682.30 : x
  2. Step 2: Convert to fraction form
    30,222.04/45,286.87 = 12,682.30/x
  3. Step 3: Cross multiply
    30,222.04x = 45,286.87 × 12,682.30
  4. Step 4: Simplify right side
    30,222.04x = 574,341,671.40
  5. Step 5: Solve for x
    x = 574,341,671.40/30,222.04
  6. Step 6: Final answer
    x = 19,004.07

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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.