Home / 39,382.72-54,347.20-22,615.36

Finding the Fourth Proportional to 39,382.72, 54,347.20 and 22,615.36

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Solution

The fourth proportional to 39,382.72, 54,347.20 and 22,615.36 is: 31,208.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.72 : 54,347.20 = 22,615.36 : x
  2. Step 2: Convert to fraction form
    39,382.72/54,347.20 = 22,615.36/x
  3. Step 3: Cross multiply
    39,382.72x = 54,347.20 × 22,615.36
  4. Step 4: Simplify right side
    39,382.72x = 1,229,081,492.99
  5. Step 5: Solve for x
    x = 1,229,081,492.99/39,382.72
  6. Step 6: Final answer
    x = 31,208.65

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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.