Home / 30,154.96-41,633.04-19,404.64

Finding the Fourth Proportional to 30,154.96, 41,633.04 and 19,404.64

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Solution

The fourth proportional to 30,154.96, 41,633.04 and 19,404.64 is: 26,790.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,154.96 : 41,633.04 = 19,404.64 : x
  2. Step 2: Convert to fraction form
    30,154.96/41,633.04 = 19,404.64/x
  3. Step 3: Cross multiply
    30,154.96x = 41,633.04 × 19,404.64
  4. Step 4: Simplify right side
    30,154.96x = 807,874,153.31
  5. Step 5: Solve for x
    x = 807,874,153.31/30,154.96
  6. Step 6: Final answer
    x = 26,790.76

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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.