Home / 39,549.80-54,556.26-22,779.88

Finding the Fourth Proportional to 39,549.80, 54,556.26 and 22,779.88

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Solution

The fourth proportional to 39,549.80, 54,556.26 and 22,779.88 is: 31,423.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,549.80 : 54,556.26 = 22,779.88 : x
  2. Step 2: Convert to fraction form
    39,549.80/54,556.26 = 22,779.88/x
  3. Step 3: Cross multiply
    39,549.80x = 54,556.26 × 22,779.88
  4. Step 4: Simplify right side
    39,549.80x = 1,242,785,056.05
  5. Step 5: Solve for x
    x = 1,242,785,056.05/39,549.80
  6. Step 6: Final answer
    x = 31,423.30

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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.