Home / 29,109.07-43,663.60-12,458.31

Finding the Fourth Proportional to 29,109.07, 43,663.60 and 12,458.31

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Solution

The fourth proportional to 29,109.07, 43,663.60 and 12,458.31 is: 18,687.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,109.07 : 43,663.60 = 12,458.31 : x
  2. Step 2: Convert to fraction form
    29,109.07/43,663.60 = 12,458.31/x
  3. Step 3: Cross multiply
    29,109.07x = 43,663.60 × 12,458.31
  4. Step 4: Simplify right side
    29,109.07x = 543,974,516.35
  5. Step 5: Solve for x
    x = 543,974,516.35/29,109.07
  6. Step 6: Final answer
    x = 18,687.46

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1.5x scale

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.