Home / 30,169.83-45,260.82-10,447.95

Finding the Fourth Proportional to 30,169.83, 45,260.82 and 10,447.95

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Solution

The fourth proportional to 30,169.83, 45,260.82 and 10,447.95 is: 15,674.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,169.83 : 45,260.82 = 10,447.95 : x
  2. Step 2: Convert to fraction form
    30,169.83/45,260.82 = 10,447.95/x
  3. Step 3: Cross multiply
    30,169.83x = 45,260.82 × 10,447.95
  4. Step 4: Simplify right side
    30,169.83x = 472,882,784.32
  5. Step 5: Solve for x
    x = 472,882,784.32/30,169.83
  6. Step 6: Final answer
    x = 15,674.03

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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.