Home / 33,820.29-46,690.77-20,394.95

Finding the Fourth Proportional to 33,820.29, 46,690.77 and 20,394.95

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Solution

The fourth proportional to 33,820.29, 46,690.77 and 20,394.95 is: 28,156.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.29 : 46,690.77 = 20,394.95 : x
  2. Step 2: Convert to fraction form
    33,820.29/46,690.77 = 20,394.95/x
  3. Step 3: Cross multiply
    33,820.29x = 46,690.77 × 20,394.95
  4. Step 4: Simplify right side
    33,820.29x = 952,255,686.16
  5. Step 5: Solve for x
    x = 952,255,686.16/33,820.29
  6. Step 6: Final answer
    x = 28,156.34

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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.