Home / 30,226.68-41,714.78-18,290.52

Finding the Fourth Proportional to 30,226.68, 41,714.78 and 18,290.52

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Solution

The fourth proportional to 30,226.68, 41,714.78 and 18,290.52 is: 25,242.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,226.68 : 41,714.78 = 18,290.52 : x
  2. Step 2: Convert to fraction form
    30,226.68/41,714.78 = 18,290.52/x
  3. Step 3: Cross multiply
    30,226.68x = 41,714.78 × 18,290.52
  4. Step 4: Simplify right side
    30,226.68x = 762,985,017.89
  5. Step 5: Solve for x
    x = 762,985,017.89/30,226.68
  6. Step 6: Final answer
    x = 25,242.10

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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.