Home / 30,921.94-46,321.08-14,259.16

Finding the Fourth Proportional to 30,921.94, 46,321.08 and 14,259.16

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Solution

The fourth proportional to 30,921.94, 46,321.08 and 14,259.16 is: 21,360.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,921.94 : 46,321.08 = 14,259.16 : x
  2. Step 2: Convert to fraction form
    30,921.94/46,321.08 = 14,259.16/x
  3. Step 3: Cross multiply
    30,921.94x = 46,321.08 × 14,259.16
  4. Step 4: Simplify right side
    30,921.94x = 660,499,691.09
  5. Step 5: Solve for x
    x = 660,499,691.09/30,921.94
  6. Step 6: Final answer
    x = 21,360.23

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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.