Home / 51,211.36-76,816.68-14,275.36

Finding the Fourth Proportional to 51,211.36, 76,816.68 and 14,275.36

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Solution

The fourth proportional to 51,211.36, 76,816.68 and 14,275.36 is: 21,412.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,211.36 : 76,816.68 = 14,275.36 : x
  2. Step 2: Convert to fraction form
    51,211.36/76,816.68 = 14,275.36/x
  3. Step 3: Cross multiply
    51,211.36x = 76,816.68 × 14,275.36
  4. Step 4: Simplify right side
    51,211.36x = 1,096,585,761.00
  5. Step 5: Solve for x
    x = 1,096,585,761.00/51,211.36
  6. Step 6: Final answer
    x = 21,412.94

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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.