Home / 31,977.98-44,135.26-20,051.54

Finding the Fourth Proportional to 31,977.98, 44,135.26 and 20,051.54

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Solution

The fourth proportional to 31,977.98, 44,135.26 and 20,051.54 is: 27,674.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,977.98 : 44,135.26 = 20,051.54 : x
  2. Step 2: Convert to fraction form
    31,977.98/44,135.26 = 20,051.54/x
  3. Step 3: Cross multiply
    31,977.98x = 44,135.26 × 20,051.54
  4. Step 4: Simplify right side
    31,977.98x = 884,979,931.30
  5. Step 5: Solve for x
    x = 884,979,931.30/31,977.98
  6. Step 6: Final answer
    x = 27,674.67

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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.