Home / 33,400.79-46,070.92-21,479.21

Finding the Fourth Proportional to 33,400.79, 46,070.92 and 21,479.21

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Solution

The fourth proportional to 33,400.79, 46,070.92 and 21,479.21 is: 29,627.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,400.79 : 46,070.92 = 21,479.21 : x
  2. Step 2: Convert to fraction form
    33,400.79/46,070.92 = 21,479.21/x
  3. Step 3: Cross multiply
    33,400.79x = 46,070.92 × 21,479.21
  4. Step 4: Simplify right side
    33,400.79x = 989,566,934.83
  5. Step 5: Solve for x
    x = 989,566,934.83/33,400.79
  6. Step 6: Final answer
    x = 29,627.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.