Home / 37,918.61-52,325.32-20,922.99

Finding the Fourth Proportional to 37,918.61, 52,325.32 and 20,922.99

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Solution

The fourth proportional to 37,918.61, 52,325.32 and 20,922.99 is: 28,872.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,918.61 : 52,325.32 = 20,922.99 : x
  2. Step 2: Convert to fraction form
    37,918.61/52,325.32 = 20,922.99/x
  3. Step 3: Cross multiply
    37,918.61x = 52,325.32 × 20,922.99
  4. Step 4: Simplify right side
    37,918.61x = 1,094,802,147.11
  5. Step 5: Solve for x
    x = 1,094,802,147.11/37,918.61
  6. Step 6: Final answer
    x = 28,872.42

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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.