Home / 53,015.85-79,517.79-13,573.26

Finding the Fourth Proportional to 53,015.85, 79,517.79 and 13,573.26

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Solution

The fourth proportional to 53,015.85, 79,517.79 and 13,573.26 is: 20,358.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,015.85 : 79,517.79 = 13,573.26 : x
  2. Step 2: Convert to fraction form
    53,015.85/79,517.79 = 13,573.26/x
  3. Step 3: Cross multiply
    53,015.85x = 79,517.79 × 13,573.26
  4. Step 4: Simplify right side
    53,015.85x = 1,079,315,638.30
  5. Step 5: Solve for x
    x = 1,079,315,638.30/53,015.85
  6. Step 6: Final answer
    x = 20,358.36

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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.