Home / 35,990.73-49,669.50-20,077.57

Finding the Fourth Proportional to 35,990.73, 49,669.50 and 20,077.57

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Solution

The fourth proportional to 35,990.73, 49,669.50 and 20,077.57 is: 27,708.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,990.73 : 49,669.50 = 20,077.57 : x
  2. Step 2: Convert to fraction form
    35,990.73/49,669.50 = 20,077.57/x
  3. Step 3: Cross multiply
    35,990.73x = 49,669.50 × 20,077.57
  4. Step 4: Simplify right side
    35,990.73x = 997,243,000.49
  5. Step 5: Solve for x
    x = 997,243,000.49/35,990.73
  6. Step 6: Final answer
    x = 27,708.33

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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.