Home / 38,027.68-52,476.88-21,260.64

Finding the Fourth Proportional to 38,027.68, 52,476.88 and 21,260.64

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Solution

The fourth proportional to 38,027.68, 52,476.88 and 21,260.64 is: 29,338.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.68 : 52,476.88 = 21,260.64 : x
  2. Step 2: Convert to fraction form
    38,027.68/52,476.88 = 21,260.64/x
  3. Step 3: Cross multiply
    38,027.68x = 52,476.88 × 21,260.64
  4. Step 4: Simplify right side
    38,027.68x = 1,115,692,054.00
  5. Step 5: Solve for x
    x = 1,115,692,054.00/38,027.68
  6. Step 6: Final answer
    x = 29,338.95

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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.