Home / 33,386.79-46,104.99-21,470.82

Finding the Fourth Proportional to 33,386.79, 46,104.99 and 21,470.82

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Solution

The fourth proportional to 33,386.79, 46,104.99 and 21,470.82 is: 29,649.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,386.79 : 46,104.99 = 21,470.82 : x
  2. Step 2: Convert to fraction form
    33,386.79/46,104.99 = 21,470.82/x
  3. Step 3: Cross multiply
    33,386.79x = 46,104.99 × 21,470.82
  4. Step 4: Simplify right side
    33,386.79x = 989,911,941.39
  5. Step 5: Solve for x
    x = 989,911,941.39/33,386.79
  6. Step 6: Final answer
    x = 29,649.81

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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.