Home / 35,795.70-49,404.60-20,686.32

Finding the Fourth Proportional to 35,795.70, 49,404.60 and 20,686.32

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Solution

The fourth proportional to 35,795.70, 49,404.60 and 20,686.32 is: 28,550.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.70 : 49,404.60 = 20,686.32 : x
  2. Step 2: Convert to fraction form
    35,795.70/49,404.60 = 20,686.32/x
  3. Step 3: Cross multiply
    35,795.70x = 49,404.60 × 20,686.32
  4. Step 4: Simplify right side
    35,795.70x = 1,021,999,365.07
  5. Step 5: Solve for x
    x = 1,021,999,365.07/35,795.70
  6. Step 6: Final answer
    x = 28,550.90

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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.