Home / 49,657.56-74,485.71-12,218.10

Finding the Fourth Proportional to 49,657.56, 74,485.71 and 12,218.10

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Solution

The fourth proportional to 49,657.56, 74,485.71 and 12,218.10 is: 18,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,657.56 : 74,485.71 = 12,218.10 : x
  2. Step 2: Convert to fraction form
    49,657.56/74,485.71 = 12,218.10/x
  3. Step 3: Cross multiply
    49,657.56x = 74,485.71 × 12,218.10
  4. Step 4: Simplify right side
    49,657.56x = 910,073,853.35
  5. Step 5: Solve for x
    x = 910,073,853.35/49,657.56
  6. Step 6: Final answer
    x = 18,326.99

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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.