Home / 39,210.49-54,108.68-22,214.39

Finding the Fourth Proportional to 39,210.49, 54,108.68 and 22,214.39

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Solution

The fourth proportional to 39,210.49, 54,108.68 and 22,214.39 is: 30,654.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,210.49 : 54,108.68 = 22,214.39 : x
  2. Step 2: Convert to fraction form
    39,210.49/54,108.68 = 22,214.39/x
  3. Step 3: Cross multiply
    39,210.49x = 54,108.68 × 22,214.39
  4. Step 4: Simplify right side
    39,210.49x = 1,201,991,104.90
  5. Step 5: Solve for x
    x = 1,201,991,104.90/39,210.49
  6. Step 6: Final answer
    x = 30,654.84

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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.