Home / 35,795.15-49,394.42-20,688.79

Finding the Fourth Proportional to 35,795.15, 49,394.42 and 20,688.79

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Solution

The fourth proportional to 35,795.15, 49,394.42 and 20,688.79 is: 28,548.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,795.15 : 49,394.42 = 20,688.79 : x
  2. Step 2: Convert to fraction form
    35,795.15/49,394.42 = 20,688.79/x
  3. Step 3: Cross multiply
    35,795.15x = 49,394.42 × 20,688.79
  4. Step 4: Simplify right side
    35,795.15x = 1,021,910,535.58
  5. Step 5: Solve for x
    x = 1,021,910,535.58/35,795.15
  6. Step 6: Final answer
    x = 28,548.86

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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.