Home / 51,519.51-71,096.13-28,859.31

Finding the Fourth Proportional to 51,519.51, 71,096.13 and 28,859.31

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Solution

The fourth proportional to 51,519.51, 71,096.13 and 28,859.31 is: 39,825.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,519.51 : 71,096.13 = 28,859.31 : x
  2. Step 2: Convert to fraction form
    51,519.51/71,096.13 = 28,859.31/x
  3. Step 3: Cross multiply
    51,519.51x = 71,096.13 × 28,859.31
  4. Step 4: Simplify right side
    51,519.51x = 2,051,785,255.47
  5. Step 5: Solve for x
    x = 2,051,785,255.47/51,519.51
  6. Step 6: Final answer
    x = 39,825.40

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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.