Home / 72,336.15-108,490.05-19,733.13

Finding the Fourth Proportional to 72,336.15, 108,490.05 and 19,733.13

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Solution

The fourth proportional to 72,336.15, 108,490.05 and 19,733.13 is: 29,595.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,336.15 : 108,490.05 = 19,733.13 : x
  2. Step 2: Convert to fraction form
    72,336.15/108,490.05 = 19,733.13/x
  3. Step 3: Cross multiply
    72,336.15x = 108,490.05 × 19,733.13
  4. Step 4: Simplify right side
    72,336.15x = 2,140,848,260.36
  5. Step 5: Solve for x
    x = 2,140,848,260.36/72,336.15
  6. Step 6: Final answer
    x = 29,595.83

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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.