Home / 33,386.29-46,104.30-21,470.32

Finding the Fourth Proportional to 33,386.29, 46,104.30 and 21,470.32

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Solution

The fourth proportional to 33,386.29, 46,104.30 and 21,470.32 is: 29,649.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.29 : 46,104.30 = 21,470.32 : x
  2. Step 2: Convert to fraction form
    33,386.29/46,104.30 = 21,470.32/x
  3. Step 3: Cross multiply
    33,386.29x = 46,104.30 × 21,470.32
  4. Step 4: Simplify right side
    33,386.29x = 989,874,074.38
  5. Step 5: Solve for x
    x = 989,874,074.38/33,386.29
  6. Step 6: Final answer
    x = 29,649.12

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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.