Home / 38,027.56-52,477.86-21,260.68

Finding the Fourth Proportional to 38,027.56, 52,477.86 and 21,260.68

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Solution

The fourth proportional to 38,027.56, 52,477.86 and 21,260.68 is: 29,339.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.56 : 52,477.86 = 21,260.68 : x
  2. Step 2: Convert to fraction form
    38,027.56/52,477.86 = 21,260.68/x
  3. Step 3: Cross multiply
    38,027.56x = 52,477.86 × 21,260.68
  4. Step 4: Simplify right side
    38,027.56x = 1,115,714,988.54
  5. Step 5: Solve for x
    x = 1,115,714,988.54/38,027.56
  6. Step 6: Final answer
    x = 29,339.64

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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.