Home / 33,045.55-45,626.55-20,315.80

Finding the Fourth Proportional to 33,045.55, 45,626.55 and 20,315.80

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Solution

The fourth proportional to 33,045.55, 45,626.55 and 20,315.80 is: 28,050.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,045.55 : 45,626.55 = 20,315.80 : x
  2. Step 2: Convert to fraction form
    33,045.55/45,626.55 = 20,315.80/x
  3. Step 3: Cross multiply
    33,045.55x = 45,626.55 × 20,315.80
  4. Step 4: Simplify right side
    33,045.55x = 926,939,750.42
  5. Step 5: Solve for x
    x = 926,939,750.42/33,045.55
  6. Step 6: Final answer
    x = 28,050.37

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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.