Home / 49,948.06-74,921.82-20,365.78

Finding the Fourth Proportional to 49,948.06, 74,921.82 and 20,365.78

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Solution

The fourth proportional to 49,948.06, 74,921.82 and 20,365.78 is: 30,548.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,948.06 : 74,921.82 = 20,365.78 : x
  2. Step 2: Convert to fraction form
    49,948.06/74,921.82 = 20,365.78/x
  3. Step 3: Cross multiply
    49,948.06x = 74,921.82 × 20,365.78
  4. Step 4: Simplify right side
    49,948.06x = 1,525,841,303.32
  5. Step 5: Solve for x
    x = 1,525,841,303.32/49,948.06
  6. Step 6: Final answer
    x = 30,548.56

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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.