Home / 30,138.14-41,590.58-16,709.05

Finding the Fourth Proportional to 30,138.14, 41,590.58 and 16,709.05

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Solution

The fourth proportional to 30,138.14, 41,590.58 and 16,709.05 is: 23,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,138.14 : 41,590.58 = 16,709.05 : x
  2. Step 2: Convert to fraction form
    30,138.14/41,590.58 = 16,709.05/x
  3. Step 3: Cross multiply
    30,138.14x = 41,590.58 × 16,709.05
  4. Step 4: Simplify right side
    30,138.14x = 694,939,049.19
  5. Step 5: Solve for x
    x = 694,939,049.19/30,138.14
  6. Step 6: Final answer
    x = 23,058.46

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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.