Home / 33,300.30-49,950.45-13,580.40

Finding the Fourth Proportional to 33,300.30, 49,950.45 and 13,580.40

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Solution

The fourth proportional to 33,300.30, 49,950.45 and 13,580.40 is: 20,370.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,300.30 : 49,950.45 = 13,580.40 : x
  2. Step 2: Convert to fraction form
    33,300.30/49,950.45 = 13,580.40/x
  3. Step 3: Cross multiply
    33,300.30x = 49,950.45 × 13,580.40
  4. Step 4: Simplify right side
    33,300.30x = 678,347,091.18
  5. Step 5: Solve for x
    x = 678,347,091.18/33,300.30
  6. Step 6: Final answer
    x = 20,370.60

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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.