Home / 38,468.12-53,087.60-21,473.30

Finding the Fourth Proportional to 38,468.12, 53,087.60 and 21,473.30

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Solution

The fourth proportional to 38,468.12, 53,087.60 and 21,473.30 is: 29,634.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.12 : 53,087.60 = 21,473.30 : x
  2. Step 2: Convert to fraction form
    38,468.12/53,087.60 = 21,473.30/x
  3. Step 3: Cross multiply
    38,468.12x = 53,087.60 × 21,473.30
  4. Step 4: Simplify right side
    38,468.12x = 1,139,966,147.48
  5. Step 5: Solve for x
    x = 1,139,966,147.48/38,468.12
  6. Step 6: Final answer
    x = 29,634.05

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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.