Home / 55,579.80-76,650.43-40,507.59

Finding the Fourth Proportional to 55,579.80, 76,650.43 and 40,507.59

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Solution

The fourth proportional to 55,579.80, 76,650.43 and 40,507.59 is: 55,864.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,579.80 : 76,650.43 = 40,507.59 : x
  2. Step 2: Convert to fraction form
    55,579.80/76,650.43 = 40,507.59/x
  3. Step 3: Cross multiply
    55,579.80x = 76,650.43 × 40,507.59
  4. Step 4: Simplify right side
    55,579.80x = 3,104,924,191.76
  5. Step 5: Solve for x
    x = 3,104,924,191.76/55,579.80
  6. Step 6: Final answer
    x = 55,864.26

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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.