Home / 39,237.72-54,140.28-22,010.64

Finding the Fourth Proportional to 39,237.72, 54,140.28 and 22,010.64

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Solution

The fourth proportional to 39,237.72, 54,140.28 and 22,010.64 is: 30,370.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,237.72 : 54,140.28 = 22,010.64 : x
  2. Step 2: Convert to fraction form
    39,237.72/54,140.28 = 22,010.64/x
  3. Step 3: Cross multiply
    39,237.72x = 54,140.28 × 22,010.64
  4. Step 4: Simplify right side
    39,237.72x = 1,191,662,212.58
  5. Step 5: Solve for x
    x = 1,191,662,212.58/39,237.72
  6. Step 6: Final answer
    x = 30,370.32

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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.