Home / 30,071.88-45,107.42-17,670.58

Finding the Fourth Proportional to 30,071.88, 45,107.42 and 17,670.58

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Solution

The fourth proportional to 30,071.88, 45,107.42 and 17,670.58 is: 26,505.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,071.88 : 45,107.42 = 17,670.58 : x
  2. Step 2: Convert to fraction form
    30,071.88/45,107.42 = 17,670.58/x
  3. Step 3: Cross multiply
    30,071.88x = 45,107.42 × 17,670.58
  4. Step 4: Simplify right side
    30,071.88x = 797,074,072.58
  5. Step 5: Solve for x
    x = 797,074,072.58/30,071.88
  6. Step 6: Final answer
    x = 26,505.63

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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.