Home / 30,135.44-45,206.19-7,950.35

Finding the Fourth Proportional to 30,135.44, 45,206.19 and 7,950.35

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Solution

The fourth proportional to 30,135.44, 45,206.19 and 7,950.35 is: 11,926.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,135.44 : 45,206.19 = 7,950.35 : x
  2. Step 2: Convert to fraction form
    30,135.44/45,206.19 = 7,950.35/x
  3. Step 3: Cross multiply
    30,135.44x = 45,206.19 × 7,950.35
  4. Step 4: Simplify right side
    30,135.44x = 359,404,806.64
  5. Step 5: Solve for x
    x = 359,404,806.64/30,135.44
  6. Step 6: Final answer
    x = 11,926.32

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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.