Home / 55,986.64-83,994.40-20,926.56

Finding the Fourth Proportional to 55,986.64, 83,994.40 and 20,926.56

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Solution

The fourth proportional to 55,986.64, 83,994.40 and 20,926.56 is: 31,395.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,986.64 : 83,994.40 = 20,926.56 : x
  2. Step 2: Convert to fraction form
    55,986.64/83,994.40 = 20,926.56/x
  3. Step 3: Cross multiply
    55,986.64x = 83,994.40 × 20,926.56
  4. Step 4: Simplify right side
    55,986.64x = 1,757,713,851.26
  5. Step 5: Solve for x
    x = 1,757,713,851.26/55,986.64
  6. Step 6: Final answer
    x = 31,395.24

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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.