Home / 35,791.86-53,707.08-21,029.60

Finding the Fourth Proportional to 35,791.86, 53,707.08 and 21,029.60

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Solution

The fourth proportional to 35,791.86, 53,707.08 and 21,029.60 is: 31,555.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,791.86 : 53,707.08 = 21,029.60 : x
  2. Step 2: Convert to fraction form
    35,791.86/53,707.08 = 21,029.60/x
  3. Step 3: Cross multiply
    35,791.86x = 53,707.08 × 21,029.60
  4. Step 4: Simplify right side
    35,791.86x = 1,129,438,409.57
  5. Step 5: Solve for x
    x = 1,129,438,409.57/35,791.86
  6. Step 6: Final answer
    x = 31,555.73

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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.