Home / 39,354.69-54,310.74-22,358.63

Finding the Fourth Proportional to 39,354.69, 54,310.74 and 22,358.63

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Solution

The fourth proportional to 39,354.69, 54,310.74 and 22,358.63 is: 30,855.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,354.69 : 54,310.74 = 22,358.63 : x
  2. Step 2: Convert to fraction form
    39,354.69/54,310.74 = 22,358.63/x
  3. Step 3: Cross multiply
    39,354.69x = 54,310.74 × 22,358.63
  4. Step 4: Simplify right side
    39,354.69x = 1,214,313,740.69
  5. Step 5: Solve for x
    x = 1,214,313,740.69/39,354.69
  6. Step 6: Final answer
    x = 30,855.63

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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.