Home / 30,266.76-41,788.71-18,940.84

Finding the Fourth Proportional to 30,266.76, 41,788.71 and 18,940.84

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Solution

The fourth proportional to 30,266.76, 41,788.71 and 18,940.84 is: 26,151.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,266.76 : 41,788.71 = 18,940.84 : x
  2. Step 2: Convert to fraction form
    30,266.76/41,788.71 = 18,940.84/x
  3. Step 3: Cross multiply
    30,266.76x = 41,788.71 × 18,940.84
  4. Step 4: Simplify right side
    30,266.76x = 791,513,165.44
  5. Step 5: Solve for x
    x = 791,513,165.44/30,266.76
  6. Step 6: Final answer
    x = 26,151.23

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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.