Home / 30,782.42-46,111.97-14,119.50

Finding the Fourth Proportional to 30,782.42, 46,111.97 and 14,119.50

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Solution

The fourth proportional to 30,782.42, 46,111.97 and 14,119.50 is: 21,150.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,782.42 : 46,111.97 = 14,119.50 : x
  2. Step 2: Convert to fraction form
    30,782.42/46,111.97 = 14,119.50/x
  3. Step 3: Cross multiply
    30,782.42x = 46,111.97 × 14,119.50
  4. Step 4: Simplify right side
    30,782.42x = 651,078,089.21
  5. Step 5: Solve for x
    x = 651,078,089.21/30,782.42
  6. Step 6: Final answer
    x = 21,150.97

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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.