Home / 30,926.88-42,685.44-17,498.64

Finding the Fourth Proportional to 30,926.88, 42,685.44 and 17,498.64

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Solution

The fourth proportional to 30,926.88, 42,685.44 and 17,498.64 is: 24,151.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.88 : 42,685.44 = 17,498.64 : x
  2. Step 2: Convert to fraction form
    30,926.88/42,685.44 = 17,498.64/x
  3. Step 3: Cross multiply
    30,926.88x = 42,685.44 × 17,498.64
  4. Step 4: Simplify right side
    30,926.88x = 746,937,147.80
  5. Step 5: Solve for x
    x = 746,937,147.80/30,926.88
  6. Step 6: Final answer
    x = 24,151.71

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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.