Home / 51,324.96-76,986.63-42,541.32

Finding the Fourth Proportional to 51,324.96, 76,986.63 and 42,541.32

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Solution

The fourth proportional to 51,324.96, 76,986.63 and 42,541.32 is: 63,811.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,324.96 : 76,986.63 = 42,541.32 : x
  2. Step 2: Convert to fraction form
    51,324.96/76,986.63 = 42,541.32/x
  3. Step 3: Cross multiply
    51,324.96x = 76,986.63 × 42,541.32
  4. Step 4: Simplify right side
    51,324.96x = 3,275,112,862.55
  5. Step 5: Solve for x
    x = 3,275,112,862.55/51,324.96
  6. Step 6: Final answer
    x = 63,811.31

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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.