Home / 30,979.68-46,431.45-14,317.17

Finding the Fourth Proportional to 30,979.68, 46,431.45 and 14,317.17

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Solution

The fourth proportional to 30,979.68, 46,431.45 and 14,317.17 is: 21,458.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.68 : 46,431.45 = 14,317.17 : x
  2. Step 2: Convert to fraction form
    30,979.68/46,431.45 = 14,317.17/x
  3. Step 3: Cross multiply
    30,979.68x = 46,431.45 × 14,317.17
  4. Step 4: Simplify right side
    30,979.68x = 664,766,963.00
  5. Step 5: Solve for x
    x = 664,766,963.00/30,979.68
  6. Step 6: Final answer
    x = 21,458.16

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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.