Home / 43,430.29-65,137.52-13,029.17

Finding the Fourth Proportional to 43,430.29, 65,137.52 and 13,029.17

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Solution

The fourth proportional to 43,430.29, 65,137.52 and 13,029.17 is: 19,541.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,430.29 : 65,137.52 = 13,029.17 : x
  2. Step 2: Convert to fraction form
    43,430.29/65,137.52 = 13,029.17/x
  3. Step 3: Cross multiply
    43,430.29x = 65,137.52 × 13,029.17
  4. Step 4: Simplify right side
    43,430.29x = 848,687,528.34
  5. Step 5: Solve for x
    x = 848,687,528.34/43,430.29
  6. Step 6: Final answer
    x = 19,541.37

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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.