Home / 32,379.12-48,576.78-10,191.60

Finding the Fourth Proportional to 32,379.12, 48,576.78 and 10,191.60

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Solution

The fourth proportional to 32,379.12, 48,576.78 and 10,191.60 is: 15,289.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,379.12 : 48,576.78 = 10,191.60 : x
  2. Step 2: Convert to fraction form
    32,379.12/48,576.78 = 10,191.60/x
  3. Step 3: Cross multiply
    32,379.12x = 48,576.78 × 10,191.60
  4. Step 4: Simplify right side
    32,379.12x = 495,075,111.05
  5. Step 5: Solve for x
    x = 495,075,111.05/32,379.12
  6. Step 6: Final answer
    x = 15,289.95

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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.