Home / 35,784.99-53,659.26-13,581.47

Finding the Fourth Proportional to 35,784.99, 53,659.26 and 13,581.47

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Solution

The fourth proportional to 35,784.99, 53,659.26 and 13,581.47 is: 20,365.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,784.99 : 53,659.26 = 13,581.47 : x
  2. Step 2: Convert to fraction form
    35,784.99/53,659.26 = 13,581.47/x
  3. Step 3: Cross multiply
    35,784.99x = 53,659.26 × 13,581.47
  4. Step 4: Simplify right side
    35,784.99x = 728,771,764.06
  5. Step 5: Solve for x
    x = 728,771,764.06/35,784.99
  6. Step 6: Final answer
    x = 20,365.29

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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.