Home / 55,045.36-82,568.28-13,492.36

Finding the Fourth Proportional to 55,045.36, 82,568.28 and 13,492.36

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Solution

The fourth proportional to 55,045.36, 82,568.28 and 13,492.36 is: 20,238.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,045.36 : 82,568.28 = 13,492.36 : x
  2. Step 2: Convert to fraction form
    55,045.36/82,568.28 = 13,492.36/x
  3. Step 3: Cross multiply
    55,045.36x = 82,568.28 × 13,492.36
  4. Step 4: Simplify right side
    55,045.36x = 1,114,040,958.34
  5. Step 5: Solve for x
    x = 1,114,040,958.34/55,045.36
  6. Step 6: Final answer
    x = 20,238.60

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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.