Home / 53,352.87-73,620.69-29,478.12

Finding the Fourth Proportional to 53,352.87, 73,620.69 and 29,478.12

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Solution

The fourth proportional to 53,352.87, 73,620.69 and 29,478.12 is: 40,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,352.87 : 73,620.69 = 29,478.12 : x
  2. Step 2: Convert to fraction form
    53,352.87/73,620.69 = 29,478.12/x
  3. Step 3: Cross multiply
    53,352.87x = 73,620.69 × 29,478.12
  4. Step 4: Simplify right side
    53,352.87x = 2,170,199,534.30
  5. Step 5: Solve for x
    x = 2,170,199,534.30/53,352.87
  6. Step 6: Final answer
    x = 40,676.34

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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.