Home / 30,170.94-45,256.92-10,450.08

Finding the Fourth Proportional to 30,170.94, 45,256.92 and 10,450.08

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Solution

The fourth proportional to 30,170.94, 45,256.92 and 10,450.08 is: 15,675.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,170.94 : 45,256.92 = 10,450.08 : x
  2. Step 2: Convert to fraction form
    30,170.94/45,256.92 = 10,450.08/x
  3. Step 3: Cross multiply
    30,170.94x = 45,256.92 × 10,450.08
  4. Step 4: Simplify right side
    30,170.94x = 472,938,434.55
  5. Step 5: Solve for x
    x = 472,938,434.55/30,170.94
  6. Step 6: Final answer
    x = 15,675.30

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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.