Home / 30,902.31-46,330.38-15,330.87

Finding the Fourth Proportional to 30,902.31, 46,330.38 and 15,330.87

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Solution

The fourth proportional to 30,902.31, 46,330.38 and 15,330.87 is: 22,984.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,902.31 : 46,330.38 = 15,330.87 : x
  2. Step 2: Convert to fraction form
    30,902.31/46,330.38 = 15,330.87/x
  3. Step 3: Cross multiply
    30,902.31x = 46,330.38 × 15,330.87
  4. Step 4: Simplify right side
    30,902.31x = 710,285,032.83
  5. Step 5: Solve for x
    x = 710,285,032.83/30,902.31
  6. Step 6: Final answer
    x = 22,984.85

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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.