Home / 39,421.36-54,401.24-22,425.56

Finding the Fourth Proportional to 39,421.36, 54,401.24 and 22,425.56

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Solution

The fourth proportional to 39,421.36, 54,401.24 and 22,425.56 is: 30,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,421.36 : 54,401.24 = 22,425.56 : x
  2. Step 2: Convert to fraction form
    39,421.36/54,401.24 = 22,425.56/x
  3. Step 3: Cross multiply
    39,421.36x = 54,401.24 × 22,425.56
  4. Step 4: Simplify right side
    39,421.36x = 1,219,978,055.75
  5. Step 5: Solve for x
    x = 1,219,978,055.75/39,421.36
  6. Step 6: Final answer
    x = 30,947.13

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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.