Home / 30,970.63-46,448.94-14,321.55

Finding the Fourth Proportional to 30,970.63, 46,448.94 and 14,321.55

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Solution

The fourth proportional to 30,970.63, 46,448.94 and 14,321.55 is: 21,479.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,970.63 : 46,448.94 = 14,321.55 : x
  2. Step 2: Convert to fraction form
    30,970.63/46,448.94 = 14,321.55/x
  3. Step 3: Cross multiply
    30,970.63x = 46,448.94 × 14,321.55
  4. Step 4: Simplify right side
    30,970.63x = 665,220,816.66
  5. Step 5: Solve for x
    x = 665,220,816.66/30,970.63
  6. Step 6: Final answer
    x = 21,479.09

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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.