Home / 39,310.97-54,248.01-22,316.77

Finding the Fourth Proportional to 39,310.97, 54,248.01 and 22,316.77

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Solution

The fourth proportional to 39,310.97, 54,248.01 and 22,316.77 is: 30,796.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,310.97 : 54,248.01 = 22,316.77 : x
  2. Step 2: Convert to fraction form
    39,310.97/54,248.01 = 22,316.77/x
  3. Step 3: Cross multiply
    39,310.97x = 54,248.01 × 22,316.77
  4. Step 4: Simplify right side
    39,310.97x = 1,210,640,090.89
  5. Step 5: Solve for x
    x = 1,210,640,090.89/39,310.97
  6. Step 6: Final answer
    x = 30,796.49

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Half scale
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Double scale
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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.