Home / 33,808.19-46,655.19-20,376.90

Finding the Fourth Proportional to 33,808.19, 46,655.19 and 20,376.90

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Solution

The fourth proportional to 33,808.19, 46,655.19 and 20,376.90 is: 28,120.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,808.19 : 46,655.19 = 20,376.90 : x
  2. Step 2: Convert to fraction form
    33,808.19/46,655.19 = 20,376.90/x
  3. Step 3: Cross multiply
    33,808.19x = 46,655.19 × 20,376.90
  4. Step 4: Simplify right side
    33,808.19x = 950,688,141.11
  5. Step 5: Solve for x
    x = 950,688,141.11/33,808.19
  6. Step 6: Final answer
    x = 28,120.06

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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.