Home / 54,813.60-82,222.37-28,152.40

Finding the Fourth Proportional to 54,813.60, 82,222.37 and 28,152.40

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Solution

The fourth proportional to 54,813.60, 82,222.37 and 28,152.40 is: 42,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,813.60 : 82,222.37 = 28,152.40 : x
  2. Step 2: Convert to fraction form
    54,813.60/82,222.37 = 28,152.40/x
  3. Step 3: Cross multiply
    54,813.60x = 82,222.37 × 28,152.40
  4. Step 4: Simplify right side
    54,813.60x = 2,314,757,049.19
  5. Step 5: Solve for x
    x = 2,314,757,049.19/54,813.60
  6. Step 6: Final answer
    x = 42,229.61

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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.