Home / 53,022.85-79,528.29-13,580.26

Finding the Fourth Proportional to 53,022.85, 79,528.29 and 13,580.26

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Solution

The fourth proportional to 53,022.85, 79,528.29 and 13,580.26 is: 20,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,022.85 : 79,528.29 = 13,580.26 : x
  2. Step 2: Convert to fraction form
    53,022.85/79,528.29 = 13,580.26/x
  3. Step 3: Cross multiply
    53,022.85x = 79,528.29 × 13,580.26
  4. Step 4: Simplify right side
    53,022.85x = 1,080,014,855.56
  5. Step 5: Solve for x
    x = 1,080,014,855.56/53,022.85
  6. Step 6: Final answer
    x = 20,368.86

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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.