Home / 30,940.01-42,697.26-16,792.86

Finding the Fourth Proportional to 30,940.01, 42,697.26 and 16,792.86

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Solution

The fourth proportional to 30,940.01, 42,697.26 and 16,792.86 is: 23,174.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,940.01 : 42,697.26 = 16,792.86 : x
  2. Step 2: Convert to fraction form
    30,940.01/42,697.26 = 16,792.86/x
  3. Step 3: Cross multiply
    30,940.01x = 42,697.26 × 16,792.86
  4. Step 4: Simplify right side
    30,940.01x = 717,009,025.60
  5. Step 5: Solve for x
    x = 717,009,025.60/30,940.01
  6. Step 6: Final answer
    x = 23,174.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.