Home / 29,122.34-43,688.64-19,269.68

Finding the Fourth Proportional to 29,122.34, 43,688.64 and 19,269.68

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Solution

The fourth proportional to 29,122.34, 43,688.64 and 19,269.68 is: 28,907.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,122.34 : 43,688.64 = 19,269.68 : x
  2. Step 2: Convert to fraction form
    29,122.34/43,688.64 = 19,269.68/x
  3. Step 3: Cross multiply
    29,122.34x = 43,688.64 × 19,269.68
  4. Step 4: Simplify right side
    29,122.34x = 841,866,112.44
  5. Step 5: Solve for x
    x = 841,866,112.44/29,122.34
  6. Step 6: Final answer
    x = 28,907.91

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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.