Home / 39,118.34-53,992.73-22,989.21

Finding the Fourth Proportional to 39,118.34, 53,992.73 and 22,989.21

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Solution

The fourth proportional to 39,118.34, 53,992.73 and 22,989.21 is: 31,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,118.34 : 53,992.73 = 22,989.21 : x
  2. Step 2: Convert to fraction form
    39,118.34/53,992.73 = 22,989.21/x
  3. Step 3: Cross multiply
    39,118.34x = 53,992.73 × 22,989.21
  4. Step 4: Simplify right side
    39,118.34x = 1,241,250,208.44
  5. Step 5: Solve for x
    x = 1,241,250,208.44/39,118.34
  6. Step 6: Final answer
    x = 31,730.65

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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.