Home / 51,786.06-77,679.30-15,762.96

Finding the Fourth Proportional to 51,786.06, 77,679.30 and 15,762.96

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Solution

The fourth proportional to 51,786.06, 77,679.30 and 15,762.96 is: 23,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,786.06 : 77,679.30 = 15,762.96 : x
  2. Step 2: Convert to fraction form
    51,786.06/77,679.30 = 15,762.96/x
  3. Step 3: Cross multiply
    51,786.06x = 77,679.30 × 15,762.96
  4. Step 4: Simplify right side
    51,786.06x = 1,224,455,698.73
  5. Step 5: Solve for x
    x = 1,224,455,698.73/51,786.06
  6. Step 6: Final answer
    x = 23,644.50

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1.5x scale

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.