Home / 70,003.32-105,010.24-20,083.02

Finding the Fourth Proportional to 70,003.32, 105,010.24 and 20,083.02

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Solution

The fourth proportional to 70,003.32, 105,010.24 and 20,083.02 is: 30,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.32 : 105,010.24 = 20,083.02 : x
  2. Step 2: Convert to fraction form
    70,003.32/105,010.24 = 20,083.02/x
  3. Step 3: Cross multiply
    70,003.32x = 105,010.24 × 20,083.02
  4. Step 4: Simplify right side
    70,003.32x = 2,108,922,750.12
  5. Step 5: Solve for x
    x = 2,108,922,750.12/70,003.32
  6. Step 6: Final answer
    x = 30,126.04

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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.