Home / 39,148.83-54,025.53-21,243.83

Finding the Fourth Proportional to 39,148.83, 54,025.53 and 21,243.83

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Solution

The fourth proportional to 39,148.83, 54,025.53 and 21,243.83 is: 29,316.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,148.83 : 54,025.53 = 21,243.83 : x
  2. Step 2: Convert to fraction form
    39,148.83/54,025.53 = 21,243.83/x
  3. Step 3: Cross multiply
    39,148.83x = 54,025.53 × 21,243.83
  4. Step 4: Simplify right side
    39,148.83x = 1,147,709,174.98
  5. Step 5: Solve for x
    x = 1,147,709,174.98/39,148.83
  6. Step 6: Final answer
    x = 29,316.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.