Home / 31,862.35-47,790.43-9,675.91

Finding the Fourth Proportional to 31,862.35, 47,790.43 and 9,675.91

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Solution

The fourth proportional to 31,862.35, 47,790.43 and 9,675.91 is: 14,512.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.35 : 47,790.43 = 9,675.91 : x
  2. Step 2: Convert to fraction form
    31,862.35/47,790.43 = 9,675.91/x
  3. Step 3: Cross multiply
    31,862.35x = 47,790.43 × 9,675.91
  4. Step 4: Simplify right side
    31,862.35x = 462,415,935.09
  5. Step 5: Solve for x
    x = 462,415,935.09/31,862.35
  6. Step 6: Final answer
    x = 14,512.93

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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.