Home / 35,760.99-53,628.66-13,580.31

Finding the Fourth Proportional to 35,760.99, 53,628.66 and 13,580.31

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Solution

The fourth proportional to 35,760.99, 53,628.66 and 13,580.31 is: 20,365.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,760.99 : 53,628.66 = 13,580.31 : x
  2. Step 2: Convert to fraction form
    35,760.99/53,628.66 = 13,580.31/x
  3. Step 3: Cross multiply
    35,760.99x = 53,628.66 × 13,580.31
  4. Step 4: Simplify right side
    35,760.99x = 728,293,827.68
  5. Step 5: Solve for x
    x = 728,293,827.68/35,760.99
  6. Step 6: Final answer
    x = 20,365.59

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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.