Home / 55,952.10-83,919.87-20,405.07

Finding the Fourth Proportional to 55,952.10, 83,919.87 and 20,405.07

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Solution

The fourth proportional to 55,952.10, 83,919.87 and 20,405.07 is: 30,604.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,952.10 : 83,919.87 = 20,405.07 : x
  2. Step 2: Convert to fraction form
    55,952.10/83,919.87 = 20,405.07/x
  3. Step 3: Cross multiply
    55,952.10x = 83,919.87 × 20,405.07
  4. Step 4: Simplify right side
    55,952.10x = 1,712,390,821.74
  5. Step 5: Solve for x
    x = 1,712,390,821.74/55,952.10
  6. Step 6: Final answer
    x = 30,604.59

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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.