Home / 56,003.93-84,003.15-20,940.84

Finding the Fourth Proportional to 56,003.93, 84,003.15 and 20,940.84

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Solution

The fourth proportional to 56,003.93, 84,003.15 and 20,940.84 is: 31,410.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,003.93 : 84,003.15 = 20,940.84 : x
  2. Step 2: Convert to fraction form
    56,003.93/84,003.15 = 20,940.84/x
  3. Step 3: Cross multiply
    56,003.93x = 84,003.15 × 20,940.84
  4. Step 4: Simplify right side
    56,003.93x = 1,759,096,523.65
  5. Step 5: Solve for x
    x = 1,759,096,523.65/56,003.93
  6. Step 6: Final answer
    x = 31,410.24

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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.