Home / 53,076.16-73,160.09-40,287.68

Finding the Fourth Proportional to 53,076.16, 73,160.09 and 40,287.68

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Solution

The fourth proportional to 53,076.16, 73,160.09 and 40,287.68 is: 55,532.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076.16 : 73,160.09 = 40,287.68 : x
  2. Step 2: Convert to fraction form
    53,076.16/73,160.09 = 40,287.68/x
  3. Step 3: Cross multiply
    53,076.16x = 73,160.09 × 40,287.68
  4. Step 4: Simplify right side
    53,076.16x = 2,947,449,928.89
  5. Step 5: Solve for x
    x = 2,947,449,928.89/53,076.16
  6. Step 6: Final answer
    x = 55,532.47

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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.