Home / 68,346.26-102,509.93-18,429.35

Finding the Fourth Proportional to 68,346.26, 102,509.93 and 18,429.35

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Solution

The fourth proportional to 68,346.26, 102,509.93 and 18,429.35 is: 27,641.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.26 : 102,509.93 = 18,429.35 : x
  2. Step 2: Convert to fraction form
    68,346.26/102,509.93 = 18,429.35/x
  3. Step 3: Cross multiply
    68,346.26x = 102,509.93 × 18,429.35
  4. Step 4: Simplify right side
    68,346.26x = 1,889,191,148.45
  5. Step 5: Solve for x
    x = 1,889,191,148.45/68,346.26
  6. Step 6: Final answer
    x = 27,641.47

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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.