Home / 35,910.42-49,554.23-20,802.11

Finding the Fourth Proportional to 35,910.42, 49,554.23 and 20,802.11

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Solution

The fourth proportional to 35,910.42, 49,554.23 and 20,802.11 is: 28,705.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,910.42 : 49,554.23 = 20,802.11 : x
  2. Step 2: Convert to fraction form
    35,910.42/49,554.23 = 20,802.11/x
  3. Step 3: Cross multiply
    35,910.42x = 49,554.23 × 20,802.11
  4. Step 4: Simplify right side
    35,910.42x = 1,030,832,191.64
  5. Step 5: Solve for x
    x = 1,030,832,191.64/35,910.42
  6. Step 6: Final answer
    x = 28,705.66

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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.