Home / 30,397.94-41,942.40-17,643.74

Finding the Fourth Proportional to 30,397.94, 41,942.40 and 17,643.74

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Solution

The fourth proportional to 30,397.94, 41,942.40 and 17,643.74 is: 24,344.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,397.94 : 41,942.40 = 17,643.74 : x
  2. Step 2: Convert to fraction form
    30,397.94/41,942.40 = 17,643.74/x
  3. Step 3: Cross multiply
    30,397.94x = 41,942.40 × 17,643.74
  4. Step 4: Simplify right side
    30,397.94x = 740,020,800.58
  5. Step 5: Solve for x
    x = 740,020,800.58/30,397.94
  6. Step 6: Final answer
    x = 24,344.44

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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.