Home / 30,842.01-42,562.19-16,694.89

Finding the Fourth Proportional to 30,842.01, 42,562.19 and 16,694.89

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Solution

The fourth proportional to 30,842.01, 42,562.19 and 16,694.89 is: 23,039.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,842.01 : 42,562.19 = 16,694.89 : x
  2. Step 2: Convert to fraction form
    30,842.01/42,562.19 = 16,694.89/x
  3. Step 3: Cross multiply
    30,842.01x = 42,562.19 × 16,694.89
  4. Step 4: Simplify right side
    30,842.01x = 710,571,080.21
  5. Step 5: Solve for x
    x = 710,571,080.21/30,842.01
  6. Step 6: Final answer
    x = 23,039.07

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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.