Home / 31,950.92-44,088.18-18,520.32

Finding the Fourth Proportional to 31,950.92, 44,088.18 and 18,520.32

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Solution

The fourth proportional to 31,950.92, 44,088.18 and 18,520.32 is: 25,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,950.92 : 44,088.18 = 18,520.32 : x
  2. Step 2: Convert to fraction form
    31,950.92/44,088.18 = 18,520.32/x
  3. Step 3: Cross multiply
    31,950.92x = 44,088.18 × 18,520.32
  4. Step 4: Simplify right side
    31,950.92x = 816,527,201.82
  5. Step 5: Solve for x
    x = 816,527,201.82/31,950.92
  6. Step 6: Final answer
    x = 25,555.67

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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.