Home / 39,441.36-59,162.40-13,146

Finding the Fourth Proportional to 39,441.36, 59,162.40 and 13,146

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Solution

The fourth proportional to 39,441.36, 59,162.40 and 13,146 is: 19,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,441.36 : 59,162.40 = 13,146 : x
  2. Step 2: Convert to fraction form
    39,441.36/59,162.40 = 13,146/x
  3. Step 3: Cross multiply
    39,441.36x = 59,162.40 × 13,146
  4. Step 4: Simplify right side
    39,441.36x = 777,748,910.40
  5. Step 5: Solve for x
    x = 777,748,910.40/39,441.36
  6. Step 6: Final answer
    x = 19,719.12

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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.