Home / 49,747.35-74,555.19-20,130.09

Finding the Fourth Proportional to 49,747.35, 74,555.19 and 20,130.09

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Solution

The fourth proportional to 49,747.35, 74,555.19 and 20,130.09 is: 30,168.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,747.35 : 74,555.19 = 20,130.09 : x
  2. Step 2: Convert to fraction form
    49,747.35/74,555.19 = 20,130.09/x
  3. Step 3: Cross multiply
    49,747.35x = 74,555.19 × 20,130.09
  4. Step 4: Simplify right side
    49,747.35x = 1,500,802,684.67
  5. Step 5: Solve for x
    x = 1,500,802,684.67/49,747.35
  6. Step 6: Final answer
    x = 30,168.50

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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.