Home / 39,527.72-54,549.08-21,623.88

Finding the Fourth Proportional to 39,527.72, 54,549.08 and 21,623.88

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Solution

The fourth proportional to 39,527.72, 54,549.08 and 21,623.88 is: 29,841.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,527.72 : 54,549.08 = 21,623.88 : x
  2. Step 2: Convert to fraction form
    39,527.72/54,549.08 = 21,623.88/x
  3. Step 3: Cross multiply
    39,527.72x = 54,549.08 × 21,623.88
  4. Step 4: Simplify right side
    39,527.72x = 1,179,562,760.03
  5. Step 5: Solve for x
    x = 1,179,562,760.03/39,527.72
  6. Step 6: Final answer
    x = 29,841.41

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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.