Home / 30,371.56-45,554.22-8,184.04

Finding the Fourth Proportional to 30,371.56, 45,554.22 and 8,184.04

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Solution

The fourth proportional to 30,371.56, 45,554.22 and 8,184.04 is: 12,275.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,371.56 : 45,554.22 = 8,184.04 : x
  2. Step 2: Convert to fraction form
    30,371.56/45,554.22 = 8,184.04/x
  3. Step 3: Cross multiply
    30,371.56x = 45,554.22 × 8,184.04
  4. Step 4: Simplify right side
    30,371.56x = 372,817,558.65
  5. Step 5: Solve for x
    x = 372,817,558.65/30,371.56
  6. Step 6: Final answer
    x = 12,275.22

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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.