Home / 30,446.69-45,651.50-17,969.55

Finding the Fourth Proportional to 30,446.69, 45,651.50 and 17,969.55

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Solution

The fourth proportional to 30,446.69, 45,651.50 and 17,969.55 is: 26,943.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.69 : 45,651.50 = 17,969.55 : x
  2. Step 2: Convert to fraction form
    30,446.69/45,651.50 = 17,969.55/x
  3. Step 3: Cross multiply
    30,446.69x = 45,651.50 × 17,969.55
  4. Step 4: Simplify right side
    30,446.69x = 820,336,718.17
  5. Step 5: Solve for x
    x = 820,336,718.17/30,446.69
  6. Step 6: Final answer
    x = 26,943.38

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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.