Home / 55,266.81-76,268.30-30,116.31

Finding the Fourth Proportional to 55,266.81, 76,268.30 and 30,116.31

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Solution

The fourth proportional to 55,266.81, 76,268.30 and 30,116.31 is: 41,560.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,266.81 : 76,268.30 = 30,116.31 : x
  2. Step 2: Convert to fraction form
    55,266.81/76,268.30 = 30,116.31/x
  3. Step 3: Cross multiply
    55,266.81x = 76,268.30 × 30,116.31
  4. Step 4: Simplify right side
    55,266.81x = 2,296,919,615.39
  5. Step 5: Solve for x
    x = 2,296,919,615.39/55,266.81
  6. Step 6: Final answer
    x = 41,560.56

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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.