Home / 39,443.36-59,165.40-13,148

Finding the Fourth Proportional to 39,443.36, 59,165.40 and 13,148

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Solution

The fourth proportional to 39,443.36, 59,165.40 and 13,148 is: 19,722.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,443.36 : 59,165.40 = 13,148 : x
  2. Step 2: Convert to fraction form
    39,443.36/59,165.40 = 13,148/x
  3. Step 3: Cross multiply
    39,443.36x = 59,165.40 × 13,148
  4. Step 4: Simplify right side
    39,443.36x = 777,906,679.20
  5. Step 5: Solve for x
    x = 777,906,679.20/39,443.36
  6. Step 6: Final answer
    x = 19,722.12

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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.