Home / 53,076.90-73,245.56-28,878.60

Finding the Fourth Proportional to 53,076.90, 73,245.56 and 28,878.60

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Solution

The fourth proportional to 53,076.90, 73,245.56 and 28,878.60 is: 39,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,076.90 : 73,245.56 = 28,878.60 : x
  2. Step 2: Convert to fraction form
    53,076.90/73,245.56 = 28,878.60/x
  3. Step 3: Cross multiply
    53,076.90x = 73,245.56 × 28,878.60
  4. Step 4: Simplify right side
    53,076.90x = 2,115,229,229.02
  5. Step 5: Solve for x
    x = 2,115,229,229.02/53,076.90
  6. Step 6: Final answer
    x = 39,852.16

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1.5x scale

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.