Home / 49,509.30-68,316.54-28,289.94

Finding the Fourth Proportional to 49,509.30, 68,316.54 and 28,289.94

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Solution

The fourth proportional to 49,509.30, 68,316.54 and 28,289.94 is: 39,036.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,509.30 : 68,316.54 = 28,289.94 : x
  2. Step 2: Convert to fraction form
    49,509.30/68,316.54 = 28,289.94/x
  3. Step 3: Cross multiply
    49,509.30x = 68,316.54 × 28,289.94
  4. Step 4: Simplify right side
    49,509.30x = 1,932,670,817.61
  5. Step 5: Solve for x
    x = 1,932,670,817.61/49,509.30
  6. Step 6: Final answer
    x = 39,036.52

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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.