Home / 39,021.55-58,509.96-11,996.86

Finding the Fourth Proportional to 39,021.55, 58,509.96 and 11,996.86

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Solution

The fourth proportional to 39,021.55, 58,509.96 and 11,996.86 is: 17,988.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,021.55 : 58,509.96 = 11,996.86 : x
  2. Step 2: Convert to fraction form
    39,021.55/58,509.96 = 11,996.86/x
  3. Step 3: Cross multiply
    39,021.55x = 58,509.96 × 11,996.86
  4. Step 4: Simplify right side
    39,021.55x = 701,935,798.73
  5. Step 5: Solve for x
    x = 701,935,798.73/39,021.55
  6. Step 6: Final answer
    x = 17,988.41

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1.5x scale

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.