Home / 51,491.44-71,058.36-28,831.42

Finding the Fourth Proportional to 51,491.44, 71,058.36 and 28,831.42

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Solution

The fourth proportional to 51,491.44, 71,058.36 and 28,831.42 is: 39,787.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.44 : 71,058.36 = 28,831.42 : x
  2. Step 2: Convert to fraction form
    51,491.44/71,058.36 = 28,831.42/x
  3. Step 3: Cross multiply
    51,491.44x = 71,058.36 × 28,831.42
  4. Step 4: Simplify right side
    51,491.44x = 2,048,713,421.67
  5. Step 5: Solve for x
    x = 2,048,713,421.67/51,491.44
  6. Step 6: Final answer
    x = 39,787.46

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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.