Home / 53,078.52-73,245.60-29,207.40

Finding the Fourth Proportional to 53,078.52, 73,245.60 and 29,207.40

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Solution

The fourth proportional to 53,078.52, 73,245.60 and 29,207.40 is: 40,304.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,078.52 : 73,245.60 = 29,207.40 : x
  2. Step 2: Convert to fraction form
    53,078.52/73,245.60 = 29,207.40/x
  3. Step 3: Cross multiply
    53,078.52x = 73,245.60 × 29,207.40
  4. Step 4: Simplify right side
    53,078.52x = 2,139,313,537.44
  5. Step 5: Solve for x
    x = 2,139,313,537.44/53,078.52
  6. Step 6: Final answer
    x = 40,304.69

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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.