Home / 31,038.55-46,557.58-20,555.48

Finding the Fourth Proportional to 31,038.55, 46,557.58 and 20,555.48

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Solution

The fourth proportional to 31,038.55, 46,557.58 and 20,555.48 is: 30,833.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,038.55 : 46,557.58 = 20,555.48 : x
  2. Step 2: Convert to fraction form
    31,038.55/46,557.58 = 20,555.48/x
  3. Step 3: Cross multiply
    31,038.55x = 46,557.58 × 20,555.48
  4. Step 4: Simplify right side
    31,038.55x = 957,013,450.27
  5. Step 5: Solve for x
    x = 957,013,450.27/31,038.55
  6. Step 6: Final answer
    x = 30,833.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.