Home / 31,513.30-47,276.60-26,355.22

Finding the Fourth Proportional to 31,513.30, 47,276.60 and 26,355.22

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Solution

The fourth proportional to 31,513.30, 47,276.60 and 26,355.22 is: 39,538.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,513.30 : 47,276.60 = 26,355.22 : x
  2. Step 2: Convert to fraction form
    31,513.30/47,276.60 = 26,355.22/x
  3. Step 3: Cross multiply
    31,513.30x = 47,276.60 × 26,355.22
  4. Step 4: Simplify right side
    31,513.30x = 1,245,985,193.85
  5. Step 5: Solve for x
    x = 1,245,985,193.85/31,513.30
  6. Step 6: Final answer
    x = 39,538.39

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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.