Home / 55,265.89-76,266.92-30,115.39

Finding the Fourth Proportional to 55,265.89, 76,266.92 and 30,115.39

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Solution

The fourth proportional to 55,265.89, 76,266.92 and 30,115.39 is: 41,559.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,265.89 : 76,266.92 = 30,115.39 : x
  2. Step 2: Convert to fraction form
    55,265.89/76,266.92 = 30,115.39/x
  3. Step 3: Cross multiply
    55,265.89x = 76,266.92 × 30,115.39
  4. Step 4: Simplify right side
    55,265.89x = 2,296,807,889.32
  5. Step 5: Solve for x
    x = 2,296,807,889.32/55,265.89
  6. Step 6: Final answer
    x = 41,559.23

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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.