Home / 32,735.78-49,065.60-18,705.65

Finding the Fourth Proportional to 32,735.78, 49,065.60 and 18,705.65

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Solution

The fourth proportional to 32,735.78, 49,065.60 and 18,705.65 is: 28,036.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,735.78 : 49,065.60 = 18,705.65 : x
  2. Step 2: Convert to fraction form
    32,735.78/49,065.60 = 18,705.65/x
  3. Step 3: Cross multiply
    32,735.78x = 49,065.60 × 18,705.65
  4. Step 4: Simplify right side
    32,735.78x = 917,803,940.64
  5. Step 5: Solve for x
    x = 917,803,940.64/32,735.78
  6. Step 6: Final answer
    x = 28,036.72

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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.