Home / 30,880.07-42,613.38-17,451.03

Finding the Fourth Proportional to 30,880.07, 42,613.38 and 17,451.03

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Solution

The fourth proportional to 30,880.07, 42,613.38 and 17,451.03 is: 24,081.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.07 : 42,613.38 = 17,451.03 : x
  2. Step 2: Convert to fraction form
    30,880.07/42,613.38 = 17,451.03/x
  3. Step 3: Cross multiply
    30,880.07x = 42,613.38 × 17,451.03
  4. Step 4: Simplify right side
    30,880.07x = 743,647,159.71
  5. Step 5: Solve for x
    x = 743,647,159.71/30,880.07
  6. Step 6: Final answer
    x = 24,081.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.