Home / 30,845.10-42,566.25-16,697.94

Finding the Fourth Proportional to 30,845.10, 42,566.25 and 16,697.94

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Solution

The fourth proportional to 30,845.10, 42,566.25 and 16,697.94 is: 23,043.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,845.10 : 42,566.25 = 16,697.94 : x
  2. Step 2: Convert to fraction form
    30,845.10/42,566.25 = 16,697.94/x
  3. Step 3: Cross multiply
    30,845.10x = 42,566.25 × 16,697.94
  4. Step 4: Simplify right side
    30,845.10x = 710,768,923.97
  5. Step 5: Solve for x
    x = 710,768,923.97/30,845.10
  6. Step 6: Final answer
    x = 23,043.17

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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.