Home / 37,783.40-52,147.62-21,876.62

Finding the Fourth Proportional to 37,783.40, 52,147.62 and 21,876.62

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Solution

The fourth proportional to 37,783.40, 52,147.62 and 21,876.62 is: 30,193.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,783.40 : 52,147.62 = 21,876.62 : x
  2. Step 2: Convert to fraction form
    37,783.40/52,147.62 = 21,876.62/x
  3. Step 3: Cross multiply
    37,783.40x = 52,147.62 × 21,876.62
  4. Step 4: Simplify right side
    37,783.40x = 1,140,813,797.01
  5. Step 5: Solve for x
    x = 1,140,813,797.01/37,783.40
  6. Step 6: Final answer
    x = 30,193.52

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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.