Home / 74,014.73-111,029.12-20,706.72

Finding the Fourth Proportional to 74,014.73, 111,029.12 and 20,706.72

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Solution

The fourth proportional to 74,014.73, 111,029.12 and 20,706.72 is: 31,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,014.73 : 111,029.12 = 20,706.72 : x
  2. Step 2: Convert to fraction form
    74,014.73/111,029.12 = 20,706.72/x
  3. Step 3: Cross multiply
    74,014.73x = 111,029.12 × 20,706.72
  4. Step 4: Simplify right side
    74,014.73x = 2,299,048,796.15
  5. Step 5: Solve for x
    x = 2,299,048,796.15/74,014.73
  6. Step 6: Final answer
    x = 31,062.05

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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.