Home / 46,121.60-69,178.95-12,384.83

Finding the Fourth Proportional to 46,121.60, 69,178.95 and 12,384.83

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Solution

The fourth proportional to 46,121.60, 69,178.95 and 12,384.83 is: 18,576.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,121.60 : 69,178.95 = 12,384.83 : x
  2. Step 2: Convert to fraction form
    46,121.60/69,178.95 = 12,384.83/x
  3. Step 3: Cross multiply
    46,121.60x = 69,178.95 × 12,384.83
  4. Step 4: Simplify right side
    46,121.60x = 856,769,189.43
  5. Step 5: Solve for x
    x = 856,769,189.43/46,121.60
  6. Step 6: Final answer
    x = 18,576.31

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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.