Home / 53,021.85-79,526.79-13,579.26

Finding the Fourth Proportional to 53,021.85, 79,526.79 and 13,579.26

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Solution

The fourth proportional to 53,021.85, 79,526.79 and 13,579.26 is: 20,367.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,021.85 : 79,526.79 = 13,579.26 : x
  2. Step 2: Convert to fraction form
    53,021.85/79,526.79 = 13,579.26/x
  3. Step 3: Cross multiply
    53,021.85x = 79,526.79 × 13,579.26
  4. Step 4: Simplify right side
    53,021.85x = 1,079,914,958.38
  5. Step 5: Solve for x
    x = 1,079,914,958.38/53,021.85
  6. Step 6: Final answer
    x = 20,367.36

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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.