Home / 51,762.96-77,660.85-18,482.31

Finding the Fourth Proportional to 51,762.96, 77,660.85 and 18,482.31

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Solution

The fourth proportional to 51,762.96, 77,660.85 and 18,482.31 is: 27,729.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,762.96 : 77,660.85 = 18,482.31 : x
  2. Step 2: Convert to fraction form
    51,762.96/77,660.85 = 18,482.31/x
  3. Step 3: Cross multiply
    51,762.96x = 77,660.85 × 18,482.31
  4. Step 4: Simplify right side
    51,762.96x = 1,435,351,904.56
  5. Step 5: Solve for x
    x = 1,435,351,904.56/51,762.96
  6. Step 6: Final answer
    x = 27,729.32

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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.