Home / 55,433.12-76,497.68-29,939.48

Finding the Fourth Proportional to 55,433.12, 76,497.68 and 29,939.48

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Solution

The fourth proportional to 55,433.12, 76,497.68 and 29,939.48 is: 41,316.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,433.12 : 76,497.68 = 29,939.48 : x
  2. Step 2: Convert to fraction form
    55,433.12/76,497.68 = 29,939.48/x
  3. Step 3: Cross multiply
    55,433.12x = 76,497.68 × 29,939.48
  4. Step 4: Simplify right side
    55,433.12x = 2,290,300,739.63
  5. Step 5: Solve for x
    x = 2,290,300,739.63/55,433.12
  6. Step 6: Final answer
    x = 41,316.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.