Home / 47,645.40-65,754.66-26,431.50

Finding the Fourth Proportional to 47,645.40, 65,754.66 and 26,431.50

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Solution

The fourth proportional to 47,645.40, 65,754.66 and 26,431.50 is: 36,477.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,645.40 : 65,754.66 = 26,431.50 : x
  2. Step 2: Convert to fraction form
    47,645.40/65,754.66 = 26,431.50/x
  3. Step 3: Cross multiply
    47,645.40x = 65,754.66 × 26,431.50
  4. Step 4: Simplify right side
    47,645.40x = 1,737,994,295.79
  5. Step 5: Solve for x
    x = 1,737,994,295.79/47,645.40
  6. Step 6: Final answer
    x = 36,477.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.