Home / 49,577.06-74,348.31-19,987.22

Finding the Fourth Proportional to 49,577.06, 74,348.31 and 19,987.22

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Solution

The fourth proportional to 49,577.06, 74,348.31 and 19,987.22 is: 29,973.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,577.06 : 74,348.31 = 19,987.22 : x
  2. Step 2: Convert to fraction form
    49,577.06/74,348.31 = 19,987.22/x
  3. Step 3: Cross multiply
    49,577.06x = 74,348.31 × 19,987.22
  4. Step 4: Simplify right side
    49,577.06x = 1,486,016,028.60
  5. Step 5: Solve for x
    x = 1,486,016,028.60/49,577.06
  6. Step 6: Final answer
    x = 29,973.86

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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.