Home / 49,081.60-73,622.40-28,021.60

Finding the Fourth Proportional to 49,081.60, 73,622.40 and 28,021.60

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Solution

The fourth proportional to 49,081.60, 73,622.40 and 28,021.60 is: 42,032.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,081.60 : 73,622.40 = 28,021.60 : x
  2. Step 2: Convert to fraction form
    49,081.60/73,622.40 = 28,021.60/x
  3. Step 3: Cross multiply
    49,081.60x = 73,622.40 × 28,021.60
  4. Step 4: Simplify right side
    49,081.60x = 2,063,017,443.84
  5. Step 5: Solve for x
    x = 2,063,017,443.84/49,081.60
  6. Step 6: Final answer
    x = 42,032.40

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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.