Home / 31,242.96-46,850.04-11,520.72

Finding the Fourth Proportional to 31,242.96, 46,850.04 and 11,520.72

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Solution

The fourth proportional to 31,242.96, 46,850.04 and 11,520.72 is: 17,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,242.96 : 46,850.04 = 11,520.72 : x
  2. Step 2: Convert to fraction form
    31,242.96/46,850.04 = 11,520.72/x
  3. Step 3: Cross multiply
    31,242.96x = 46,850.04 × 11,520.72
  4. Step 4: Simplify right side
    31,242.96x = 539,746,192.83
  5. Step 5: Solve for x
    x = 539,746,192.83/31,242.96
  6. Step 6: Final answer
    x = 17,275.77

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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.