Home / 31,862.40-47,790.50-9,675.97

Finding the Fourth Proportional to 31,862.40, 47,790.50 and 9,675.97

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Solution

The fourth proportional to 31,862.40, 47,790.50 and 9,675.97 is: 14,513.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.40 : 47,790.50 = 9,675.97 : x
  2. Step 2: Convert to fraction form
    31,862.40/47,790.50 = 9,675.97/x
  3. Step 3: Cross multiply
    31,862.40x = 47,790.50 × 9,675.97
  4. Step 4: Simplify right side
    31,862.40x = 462,419,444.29
  5. Step 5: Solve for x
    x = 462,419,444.29/31,862.40
  6. Step 6: Final answer
    x = 14,513.01

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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.