Home / 72,335.07-108,502.61-19,745.96

Finding the Fourth Proportional to 72,335.07, 108,502.61 and 19,745.96

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Solution

The fourth proportional to 72,335.07, 108,502.61 and 19,745.96 is: 29,618.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,335.07 : 108,502.61 = 19,745.96 : x
  2. Step 2: Convert to fraction form
    72,335.07/108,502.61 = 19,745.96/x
  3. Step 3: Cross multiply
    72,335.07x = 108,502.61 × 19,745.96
  4. Step 4: Simplify right side
    72,335.07x = 2,142,487,555.71
  5. Step 5: Solve for x
    x = 2,142,487,555.71/72,335.07
  6. Step 6: Final answer
    x = 29,618.93

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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.