Home / 56,618.72-84,940.08-19,176.96

Finding the Fourth Proportional to 56,618.72, 84,940.08 and 19,176.96

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Solution

The fourth proportional to 56,618.72, 84,940.08 and 19,176.96 is: 28,769.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,618.72 : 84,940.08 = 19,176.96 : x
  2. Step 2: Convert to fraction form
    56,618.72/84,940.08 = 19,176.96/x
  3. Step 3: Cross multiply
    56,618.72x = 84,940.08 × 19,176.96
  4. Step 4: Simplify right side
    56,618.72x = 1,628,892,516.56
  5. Step 5: Solve for x
    x = 1,628,892,516.56/56,618.72
  6. Step 6: Final answer
    x = 28,769.50

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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.