Home / 31,207.61-46,811.29-7,834.05

Finding the Fourth Proportional to 31,207.61, 46,811.29 and 7,834.05

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Solution

The fourth proportional to 31,207.61, 46,811.29 and 7,834.05 is: 11,751.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,207.61 : 46,811.29 = 7,834.05 : x
  2. Step 2: Convert to fraction form
    31,207.61/46,811.29 = 7,834.05/x
  3. Step 3: Cross multiply
    31,207.61x = 46,811.29 × 7,834.05
  4. Step 4: Simplify right side
    31,207.61x = 366,721,966.84
  5. Step 5: Solve for x
    x = 366,721,966.84/31,207.61
  6. Step 6: Final answer
    x = 11,751.04

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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.