Home / 35,185.67-48,561.89-20,078.96

Finding the Fourth Proportional to 35,185.67, 48,561.89 and 20,078.96

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Solution

The fourth proportional to 35,185.67, 48,561.89 and 20,078.96 is: 27,712.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,185.67 : 48,561.89 = 20,078.96 : x
  2. Step 2: Convert to fraction form
    35,185.67/48,561.89 = 20,078.96/x
  3. Step 3: Cross multiply
    35,185.67x = 48,561.89 × 20,078.96
  4. Step 4: Simplify right side
    35,185.67x = 975,072,267.84
  5. Step 5: Solve for x
    x = 975,072,267.84/35,185.67
  6. Step 6: Final answer
    x = 27,712.20

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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.