Home / 51,303.55-76,947.94-13,865.76

Finding the Fourth Proportional to 51,303.55, 76,947.94 and 13,865.76

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Solution

The fourth proportional to 51,303.55, 76,947.94 and 13,865.76 is: 20,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,303.55 : 76,947.94 = 13,865.76 : x
  2. Step 2: Convert to fraction form
    51,303.55/76,947.94 = 13,865.76/x
  3. Step 3: Cross multiply
    51,303.55x = 76,947.94 × 13,865.76
  4. Step 4: Simplify right side
    51,303.55x = 1,066,941,668.53
  5. Step 5: Solve for x
    x = 1,066,941,668.53/51,303.55
  6. Step 6: Final answer
    x = 20,796.64

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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.