Home / 49,888.85-74,768.29-20,272.06

Finding the Fourth Proportional to 49,888.85, 74,768.29 and 20,272.06

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Solution

The fourth proportional to 49,888.85, 74,768.29 and 20,272.06 is: 30,381.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,888.85 : 74,768.29 = 20,272.06 : x
  2. Step 2: Convert to fraction form
    49,888.85/74,768.29 = 20,272.06/x
  3. Step 3: Cross multiply
    49,888.85x = 74,768.29 × 20,272.06
  4. Step 4: Simplify right side
    49,888.85x = 1,515,707,023.38
  5. Step 5: Solve for x
    x = 1,515,707,023.38/49,888.85
  6. Step 6: Final answer
    x = 30,381.68

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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.