Home / 39,400.24-54,370.12-22,402.10

Finding the Fourth Proportional to 39,400.24, 54,370.12 and 22,402.10

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Solution

The fourth proportional to 39,400.24, 54,370.12 and 22,402.10 is: 30,913.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.24 : 54,370.12 = 22,402.10 : x
  2. Step 2: Convert to fraction form
    39,400.24/54,370.12 = 22,402.10/x
  3. Step 3: Cross multiply
    39,400.24x = 54,370.12 × 22,402.10
  4. Step 4: Simplify right side
    39,400.24x = 1,218,004,865.25
  5. Step 5: Solve for x
    x = 1,218,004,865.25/39,400.24
  6. Step 6: Final answer
    x = 30,913.64

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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.