Home / 51,089.36-70,502.64-28,733.36

Finding the Fourth Proportional to 51,089.36, 70,502.64 and 28,733.36

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Solution

The fourth proportional to 51,089.36, 70,502.64 and 28,733.36 is: 39,651.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,089.36 : 70,502.64 = 28,733.36 : x
  2. Step 2: Convert to fraction form
    51,089.36/70,502.64 = 28,733.36/x
  3. Step 3: Cross multiply
    51,089.36x = 70,502.64 × 28,733.36
  4. Step 4: Simplify right side
    51,089.36x = 2,025,777,736.07
  5. Step 5: Solve for x
    x = 2,025,777,736.07/51,089.36
  6. Step 6: Final answer
    x = 39,651.66

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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.