Home / 31,121.10-46,653.84-13,577.04

Finding the Fourth Proportional to 31,121.10, 46,653.84 and 13,577.04

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Solution

The fourth proportional to 31,121.10, 46,653.84 and 13,577.04 is: 20,353.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,121.10 : 46,653.84 = 13,577.04 : x
  2. Step 2: Convert to fraction form
    31,121.10/46,653.84 = 13,577.04/x
  3. Step 3: Cross multiply
    31,121.10x = 46,653.84 × 13,577.04
  4. Step 4: Simplify right side
    31,121.10x = 633,421,051.83
  5. Step 5: Solve for x
    x = 633,421,051.83/31,121.10
  6. Step 6: Final answer
    x = 20,353.43

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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.