Home / 55,237.08-82,438.32-51,491.64

Finding the Fourth Proportional to 55,237.08, 82,438.32 and 51,491.64

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Solution

The fourth proportional to 55,237.08, 82,438.32 and 51,491.64 is: 76,848.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,237.08 : 82,438.32 = 51,491.64 : x
  2. Step 2: Convert to fraction form
    55,237.08/82,438.32 = 51,491.64/x
  3. Step 3: Cross multiply
    55,237.08x = 82,438.32 × 51,491.64
  4. Step 4: Simplify right side
    55,237.08x = 4,244,884,295.64
  5. Step 5: Solve for x
    x = 4,244,884,295.64/55,237.08
  6. Step 6: Final answer
    x = 76,848.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.