Home / 30,494.54-42,082.64-17,065.79

Finding the Fourth Proportional to 30,494.54, 42,082.64 and 17,065.79

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Solution

The fourth proportional to 30,494.54, 42,082.64 and 17,065.79 is: 23,550.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,494.54 : 42,082.64 = 17,065.79 : x
  2. Step 2: Convert to fraction form
    30,494.54/42,082.64 = 17,065.79/x
  3. Step 3: Cross multiply
    30,494.54x = 42,082.64 × 17,065.79
  4. Step 4: Simplify right side
    30,494.54x = 718,173,422.95
  5. Step 5: Solve for x
    x = 718,173,422.95/30,494.54
  6. Step 6: Final answer
    x = 23,550.88

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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.