Home / 53,618.92-73,987.38-29,739.40

Finding the Fourth Proportional to 53,618.92, 73,987.38 and 29,739.40

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Solution

The fourth proportional to 53,618.92, 73,987.38 and 29,739.40 is: 41,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,618.92 : 73,987.38 = 29,739.40 : x
  2. Step 2: Convert to fraction form
    53,618.92/73,987.38 = 29,739.40/x
  3. Step 3: Cross multiply
    53,618.92x = 73,987.38 × 29,739.40
  4. Step 4: Simplify right side
    53,618.92x = 2,200,340,288.77
  5. Step 5: Solve for x
    x = 2,200,340,288.77/53,618.92
  6. Step 6: Final answer
    x = 41,036.64

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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.