Home / 37,889.68-52,288.16-20,894.54

Finding the Fourth Proportional to 37,889.68, 52,288.16 and 20,894.54

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Solution

The fourth proportional to 37,889.68, 52,288.16 and 20,894.54 is: 28,834.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,889.68 : 52,288.16 = 20,894.54 : x
  2. Step 2: Convert to fraction form
    37,889.68/52,288.16 = 20,894.54/x
  3. Step 3: Cross multiply
    37,889.68x = 52,288.16 × 20,894.54
  4. Step 4: Simplify right side
    37,889.68x = 1,092,537,050.65
  5. Step 5: Solve for x
    x = 1,092,537,050.65/37,889.68
  6. Step 6: Final answer
    x = 28,834.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.