Home / 35,635.86-53,438.00-18,992.79

Finding the Fourth Proportional to 35,635.86, 53,438.00 and 18,992.79

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Solution

The fourth proportional to 35,635.86, 53,438.00 and 18,992.79 is: 28,480.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.86 : 53,438.00 = 18,992.79 : x
  2. Step 2: Convert to fraction form
    35,635.86/53,438.00 = 18,992.79/x
  3. Step 3: Cross multiply
    35,635.86x = 53,438.00 × 18,992.79
  4. Step 4: Simplify right side
    35,635.86x = 1,014,936,617.06
  5. Step 5: Solve for x
    x = 1,014,936,617.06/35,635.86
  6. Step 6: Final answer
    x = 28,480.77

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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.