Home / 39,271.92-54,194.04-21,366.48

Finding the Fourth Proportional to 39,271.92, 54,194.04 and 21,366.48

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Solution

The fourth proportional to 39,271.92, 54,194.04 and 21,366.48 is: 29,485.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,271.92 : 54,194.04 = 21,366.48 : x
  2. Step 2: Convert to fraction form
    39,271.92/54,194.04 = 21,366.48/x
  3. Step 3: Cross multiply
    39,271.92x = 54,194.04 × 21,366.48
  4. Step 4: Simplify right side
    39,271.92x = 1,157,935,871.78
  5. Step 5: Solve for x
    x = 1,157,935,871.78/39,271.92
  6. Step 6: Final answer
    x = 29,485.08

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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.