Home / 30,113.10-41,591.07-28,363.50

Finding the Fourth Proportional to 30,113.10, 41,591.07 and 28,363.50

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Solution

The fourth proportional to 30,113.10, 41,591.07 and 28,363.50 is: 39,174.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,113.10 : 41,591.07 = 28,363.50 : x
  2. Step 2: Convert to fraction form
    30,113.10/41,591.07 = 28,363.50/x
  3. Step 3: Cross multiply
    30,113.10x = 41,591.07 × 28,363.50
  4. Step 4: Simplify right side
    30,113.10x = 1,179,668,313.95
  5. Step 5: Solve for x
    x = 1,179,668,313.95/30,113.10
  6. Step 6: Final answer
    x = 39,174.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.