Home / 51,889.28-71,585.96-38,309.81

Finding the Fourth Proportional to 51,889.28, 71,585.96 and 38,309.81

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Solution

The fourth proportional to 51,889.28, 71,585.96 and 38,309.81 is: 52,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,889.28 : 71,585.96 = 38,309.81 : x
  2. Step 2: Convert to fraction form
    51,889.28/71,585.96 = 38,309.81/x
  3. Step 3: Cross multiply
    51,889.28x = 71,585.96 × 38,309.81
  4. Step 4: Simplify right side
    51,889.28x = 2,742,443,976.79
  5. Step 5: Solve for x
    x = 2,742,443,976.79/51,889.28
  6. Step 6: Final answer
    x = 52,851.85

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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.