Home / 53,073.40-79,610.90-13,629.64

Finding the Fourth Proportional to 53,073.40, 79,610.90 and 13,629.64

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Solution

The fourth proportional to 53,073.40, 79,610.90 and 13,629.64 is: 20,444.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,073.40 : 79,610.90 = 13,629.64 : x
  2. Step 2: Convert to fraction form
    53,073.40/79,610.90 = 13,629.64/x
  3. Step 3: Cross multiply
    53,073.40x = 79,610.90 × 13,629.64
  4. Step 4: Simplify right side
    53,073.40x = 1,085,067,639.90
  5. Step 5: Solve for x
    x = 1,085,067,639.90/53,073.40
  6. Step 6: Final answer
    x = 20,444.66

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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.