Home / 55,465.36-83,189.84-20,396.81

Finding the Fourth Proportional to 55,465.36, 83,189.84 and 20,396.81

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Solution

The fourth proportional to 55,465.36, 83,189.84 and 20,396.81 is: 30,592.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,465.36 : 83,189.84 = 20,396.81 : x
  2. Step 2: Convert to fraction form
    55,465.36/83,189.84 = 20,396.81/x
  3. Step 3: Cross multiply
    55,465.36x = 83,189.84 × 20,396.81
  4. Step 4: Simplify right side
    55,465.36x = 1,696,807,466.40
  5. Step 5: Solve for x
    x = 1,696,807,466.40/55,465.36
  6. Step 6: Final answer
    x = 30,592.20

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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.