Home / 37,920.62-52,330.44-21,153.62

Finding the Fourth Proportional to 37,920.62, 52,330.44 and 21,153.62

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Solution

The fourth proportional to 37,920.62, 52,330.44 and 21,153.62 is: 29,191.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,920.62 : 52,330.44 = 21,153.62 : x
  2. Step 2: Convert to fraction form
    37,920.62/52,330.44 = 21,153.62/x
  3. Step 3: Cross multiply
    37,920.62x = 52,330.44 × 21,153.62
  4. Step 4: Simplify right side
    37,920.62x = 1,106,977,980.54
  5. Step 5: Solve for x
    x = 1,106,977,980.54/37,920.62
  6. Step 6: Final answer
    x = 29,191.98

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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.