Home / 30,883.23-42,619.11-16,736.07

Finding the Fourth Proportional to 30,883.23, 42,619.11 and 16,736.07

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Solution

The fourth proportional to 30,883.23, 42,619.11 and 16,736.07 is: 23,095.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,883.23 : 42,619.11 = 16,736.07 : x
  2. Step 2: Convert to fraction form
    30,883.23/42,619.11 = 16,736.07/x
  3. Step 3: Cross multiply
    30,883.23x = 42,619.11 × 16,736.07
  4. Step 4: Simplify right side
    30,883.23x = 713,276,408.30
  5. Step 5: Solve for x
    x = 713,276,408.30/30,883.23
  6. Step 6: Final answer
    x = 23,095.91

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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.