Home / 39,548.80-54,554.88-22,778.88

Finding the Fourth Proportional to 39,548.80, 54,554.88 and 22,778.88

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Solution

The fourth proportional to 39,548.80, 54,554.88 and 22,778.88 is: 31,421.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,548.80 : 54,554.88 = 22,778.88 : x
  2. Step 2: Convert to fraction form
    39,548.80/54,554.88 = 22,778.88/x
  3. Step 3: Cross multiply
    39,548.80x = 54,554.88 × 22,778.88
  4. Step 4: Simplify right side
    39,548.80x = 1,242,699,064.93
  5. Step 5: Solve for x
    x = 1,242,699,064.93/39,548.80
  6. Step 6: Final answer
    x = 31,421.92

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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.