Home / 30,645.82-45,941.37-13,106.62

Finding the Fourth Proportional to 30,645.82, 45,941.37 and 13,106.62

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Solution

The fourth proportional to 30,645.82, 45,941.37 and 13,106.62 is: 19,648.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,645.82 : 45,941.37 = 13,106.62 : x
  2. Step 2: Convert to fraction form
    30,645.82/45,941.37 = 13,106.62/x
  3. Step 3: Cross multiply
    30,645.82x = 45,941.37 × 13,106.62
  4. Step 4: Simplify right side
    30,645.82x = 602,136,078.87
  5. Step 5: Solve for x
    x = 602,136,078.87/30,645.82
  6. Step 6: Final answer
    x = 19,648.23

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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.