Home / 39,421.26-54,400.89-22,425.10

Finding the Fourth Proportional to 39,421.26, 54,400.89 and 22,425.10

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Solution

The fourth proportional to 39,421.26, 54,400.89 and 22,425.10 is: 30,946.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.26 : 54,400.89 = 22,425.10 : x
  2. Step 2: Convert to fraction form
    39,421.26/54,400.89 = 22,425.10/x
  3. Step 3: Cross multiply
    39,421.26x = 54,400.89 × 22,425.10
  4. Step 4: Simplify right side
    39,421.26x = 1,219,945,589.37
  5. Step 5: Solve for x
    x = 1,219,945,589.37/39,421.26
  6. Step 6: Final answer
    x = 30,946.39

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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.