Home / 30,919.91-46,370.58-13,150.42

Finding the Fourth Proportional to 30,919.91, 46,370.58 and 13,150.42

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Solution

The fourth proportional to 30,919.91, 46,370.58 and 13,150.42 is: 19,721.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,919.91 : 46,370.58 = 13,150.42 : x
  2. Step 2: Convert to fraction form
    30,919.91/46,370.58 = 13,150.42/x
  3. Step 3: Cross multiply
    30,919.91x = 46,370.58 × 13,150.42
  4. Step 4: Simplify right side
    30,919.91x = 609,792,602.64
  5. Step 5: Solve for x
    x = 609,792,602.64/30,919.91
  6. Step 6: Final answer
    x = 19,721.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.