Home / 31,862.49-47,790.63-9,676.05

Finding the Fourth Proportional to 31,862.49, 47,790.63 and 9,676.05

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Solution

The fourth proportional to 31,862.49, 47,790.63 and 9,676.05 is: 14,513.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,862.49 : 47,790.63 = 9,676.05 : x
  2. Step 2: Convert to fraction form
    31,862.49/47,790.63 = 9,676.05/x
  3. Step 3: Cross multiply
    31,862.49x = 47,790.63 × 9,676.05
  4. Step 4: Simplify right side
    31,862.49x = 462,424,525.41
  5. Step 5: Solve for x
    x = 462,424,525.41/31,862.49
  6. Step 6: Final answer
    x = 14,513.13

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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.