Home / 39,338.20-54,289.74-22,345.48

Finding the Fourth Proportional to 39,338.20, 54,289.74 and 22,345.48

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Solution

The fourth proportional to 39,338.20, 54,289.74 and 22,345.48 is: 30,838.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,338.20 : 54,289.74 = 22,345.48 : x
  2. Step 2: Convert to fraction form
    39,338.20/54,289.74 = 22,345.48/x
  3. Step 3: Cross multiply
    39,338.20x = 54,289.74 × 22,345.48
  4. Step 4: Simplify right side
    39,338.20x = 1,213,130,299.38
  5. Step 5: Solve for x
    x = 1,213,130,299.38/39,338.20
  6. Step 6: Final answer
    x = 30,838.48

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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.