Home / 30,869.24-46,365.40-29,128.48

Finding the Fourth Proportional to 30,869.24, 46,365.40 and 29,128.48

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Solution

The fourth proportional to 30,869.24, 46,365.40 and 29,128.48 is: 43,750.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.24 : 46,365.40 = 29,128.48 : x
  2. Step 2: Convert to fraction form
    30,869.24/46,365.40 = 29,128.48/x
  3. Step 3: Cross multiply
    30,869.24x = 46,365.40 × 29,128.48
  4. Step 4: Simplify right side
    30,869.24x = 1,350,553,626.59
  5. Step 5: Solve for x
    x = 1,350,553,626.59/30,869.24
  6. Step 6: Final answer
    x = 43,750.79

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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.