Home / 39,497.86-54,504.84-21,589.30

Finding the Fourth Proportional to 39,497.86, 54,504.84 and 21,589.30

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Solution

The fourth proportional to 39,497.86, 54,504.84 and 21,589.30 is: 29,792.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,497.86 : 54,504.84 = 21,589.30 : x
  2. Step 2: Convert to fraction form
    39,497.86/54,504.84 = 21,589.30/x
  3. Step 3: Cross multiply
    39,497.86x = 54,504.84 × 21,589.30
  4. Step 4: Simplify right side
    39,497.86x = 1,176,721,342.21
  5. Step 5: Solve for x
    x = 1,176,721,342.21/39,497.86
  6. Step 6: Final answer
    x = 29,792.03

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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.