Home / 38,468.88-53,086.44-21,705.36

Finding the Fourth Proportional to 38,468.88, 53,086.44 and 21,705.36

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Solution

The fourth proportional to 38,468.88, 53,086.44 and 21,705.36 is: 29,953.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,468.88 : 53,086.44 = 21,705.36 : x
  2. Step 2: Convert to fraction form
    38,468.88/53,086.44 = 21,705.36/x
  3. Step 3: Cross multiply
    38,468.88x = 53,086.44 × 21,705.36
  4. Step 4: Simplify right side
    38,468.88x = 1,152,260,291.32
  5. Step 5: Solve for x
    x = 1,152,260,291.32/38,468.88
  6. Step 6: Final answer
    x = 29,953.05

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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.