Home / 47,738.96-65,907.28-31,875.92

Finding the Fourth Proportional to 47,738.96, 65,907.28 and 31,875.92

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Solution

The fourth proportional to 47,738.96, 65,907.28 and 31,875.92 is: 44,007.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,738.96 : 65,907.28 = 31,875.92 : x
  2. Step 2: Convert to fraction form
    47,738.96/65,907.28 = 31,875.92/x
  3. Step 3: Cross multiply
    47,738.96x = 65,907.28 × 31,875.92
  4. Step 4: Simplify right side
    47,738.96x = 2,100,855,184.70
  5. Step 5: Solve for x
    x = 2,100,855,184.70/47,738.96
  6. Step 6: Final answer
    x = 44,007.14

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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.