Home / 49,271.09-73,907.03-21,189.20

Finding the Fourth Proportional to 49,271.09, 73,907.03 and 21,189.20

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Solution

The fourth proportional to 49,271.09, 73,907.03 and 21,189.20 is: 31,783.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,271.09 : 73,907.03 = 21,189.20 : x
  2. Step 2: Convert to fraction form
    49,271.09/73,907.03 = 21,189.20/x
  3. Step 3: Cross multiply
    49,271.09x = 73,907.03 × 21,189.20
  4. Step 4: Simplify right side
    49,271.09x = 1,566,030,523.51
  5. Step 5: Solve for x
    x = 1,566,030,523.51/49,271.09
  6. Step 6: Final answer
    x = 31,783.97

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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.