Home / 49,209.96-73,815.30-21,106.30

Finding the Fourth Proportional to 49,209.96, 73,815.30 and 21,106.30

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Solution

The fourth proportional to 49,209.96, 73,815.30 and 21,106.30 is: 31,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,209.96 : 73,815.30 = 21,106.30 : x
  2. Step 2: Convert to fraction form
    49,209.96/73,815.30 = 21,106.30/x
  3. Step 3: Cross multiply
    49,209.96x = 73,815.30 × 21,106.30
  4. Step 4: Simplify right side
    49,209.96x = 1,557,967,866.39
  5. Step 5: Solve for x
    x = 1,557,967,866.39/49,209.96
  6. Step 6: Final answer
    x = 31,659.60

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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.