Home / 30,693.44-42,355.68-17,080.94

Finding the Fourth Proportional to 30,693.44, 42,355.68 and 17,080.94

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Solution

The fourth proportional to 30,693.44, 42,355.68 and 17,080.94 is: 23,570.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,693.44 : 42,355.68 = 17,080.94 : x
  2. Step 2: Convert to fraction form
    30,693.44/42,355.68 = 17,080.94/x
  3. Step 3: Cross multiply
    30,693.44x = 42,355.68 × 17,080.94
  4. Step 4: Simplify right side
    30,693.44x = 723,474,828.74
  5. Step 5: Solve for x
    x = 723,474,828.74/30,693.44
  6. Step 6: Final answer
    x = 23,570.99

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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.