Home / 55,361.56-76,398.24-30,209.44

Finding the Fourth Proportional to 55,361.56, 76,398.24 and 30,209.44

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Solution

The fourth proportional to 55,361.56, 76,398.24 and 30,209.44 is: 41,688.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,361.56 : 76,398.24 = 30,209.44 : x
  2. Step 2: Convert to fraction form
    55,361.56/76,398.24 = 30,209.44/x
  3. Step 3: Cross multiply
    55,361.56x = 76,398.24 × 30,209.44
  4. Step 4: Simplify right side
    55,361.56x = 2,307,948,047.39
  5. Step 5: Solve for x
    x = 2,307,948,047.39/55,361.56
  6. Step 6: Final answer
    x = 41,688.64

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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.