Home / 43,141.72-64,666.50-30,792.28

Finding the Fourth Proportional to 43,141.72, 64,666.50 and 30,792.28

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Solution

The fourth proportional to 43,141.72, 64,666.50 and 30,792.28 is: 46,155.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,141.72 : 64,666.50 = 30,792.28 : x
  2. Step 2: Convert to fraction form
    43,141.72/64,666.50 = 30,792.28/x
  3. Step 3: Cross multiply
    43,141.72x = 64,666.50 × 30,792.28
  4. Step 4: Simplify right side
    43,141.72x = 1,991,228,974.62
  5. Step 5: Solve for x
    x = 1,991,228,974.62/43,141.72
  6. Step 6: Final answer
    x = 46,155.53

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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.