Home / 53,077.24-79,615.86-13,634.40

Finding the Fourth Proportional to 53,077.24, 79,615.86 and 13,634.40

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Solution

The fourth proportional to 53,077.24, 79,615.86 and 13,634.40 is: 20,451.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,077.24 : 79,615.86 = 13,634.40 : x
  2. Step 2: Convert to fraction form
    53,077.24/79,615.86 = 13,634.40/x
  3. Step 3: Cross multiply
    53,077.24x = 79,615.86 × 13,634.40
  4. Step 4: Simplify right side
    53,077.24x = 1,085,514,481.58
  5. Step 5: Solve for x
    x = 1,085,514,481.58/53,077.24
  6. Step 6: Final answer
    x = 20,451.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.