Home / 55,183.55-82,783.08-21,907.13

Finding the Fourth Proportional to 55,183.55, 82,783.08 and 21,907.13

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Solution

The fourth proportional to 55,183.55, 82,783.08 and 21,907.13 is: 32,863.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,183.55 : 82,783.08 = 21,907.13 : x
  2. Step 2: Convert to fraction form
    55,183.55/82,783.08 = 21,907.13/x
  3. Step 3: Cross multiply
    55,183.55x = 82,783.08 × 21,907.13
  4. Step 4: Simplify right side
    55,183.55x = 1,813,539,281.45
  5. Step 5: Solve for x
    x = 1,813,539,281.45/55,183.55
  6. Step 6: Final answer
    x = 32,863.77

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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.