Home / 48,541.06-66,968.38-28,391.50

Finding the Fourth Proportional to 48,541.06, 66,968.38 and 28,391.50

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Solution

The fourth proportional to 48,541.06, 66,968.38 and 28,391.50 is: 39,169.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,541.06 : 66,968.38 = 28,391.50 : x
  2. Step 2: Convert to fraction form
    48,541.06/66,968.38 = 28,391.50/x
  3. Step 3: Cross multiply
    48,541.06x = 66,968.38 × 28,391.50
  4. Step 4: Simplify right side
    48,541.06x = 1,901,332,760.77
  5. Step 5: Solve for x
    x = 1,901,332,760.77/48,541.06
  6. Step 6: Final answer
    x = 39,169.58

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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.