Home / 57,941.52-86,908.40-28,361.36

Finding the Fourth Proportional to 57,941.52, 86,908.40 and 28,361.36

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Solution

The fourth proportional to 57,941.52, 86,908.40 and 28,361.36 is: 42,540.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,941.52 : 86,908.40 = 28,361.36 : x
  2. Step 2: Convert to fraction form
    57,941.52/86,908.40 = 28,361.36/x
  3. Step 3: Cross multiply
    57,941.52x = 86,908.40 × 28,361.36
  4. Step 4: Simplify right side
    57,941.52x = 2,464,840,419.42
  5. Step 5: Solve for x
    x = 2,464,840,419.42/57,941.52
  6. Step 6: Final answer
    x = 42,540.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.