Home / 55,207.56-76,185.90-30,057.06

Finding the Fourth Proportional to 55,207.56, 76,185.90 and 30,057.06

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Solution

The fourth proportional to 55,207.56, 76,185.90 and 30,057.06 is: 41,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,207.56 : 76,185.90 = 30,057.06 : x
  2. Step 2: Convert to fraction form
    55,207.56/76,185.90 = 30,057.06/x
  3. Step 3: Cross multiply
    55,207.56x = 76,185.90 × 30,057.06
  4. Step 4: Simplify right side
    55,207.56x = 2,289,924,167.45
  5. Step 5: Solve for x
    x = 2,289,924,167.45/55,207.56
  6. Step 6: Final answer
    x = 41,478.45

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1.5x scale

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.