Home / 38,358.82-52,930.88-21,359.14

Finding the Fourth Proportional to 38,358.82, 52,930.88 and 21,359.14

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Solution

The fourth proportional to 38,358.82, 52,930.88 and 21,359.14 is: 29,473.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,358.82 : 52,930.88 = 21,359.14 : x
  2. Step 2: Convert to fraction form
    38,358.82/52,930.88 = 21,359.14/x
  3. Step 3: Cross multiply
    38,358.82x = 52,930.88 × 21,359.14
  4. Step 4: Simplify right side
    38,358.82x = 1,130,558,076.24
  5. Step 5: Solve for x
    x = 1,130,558,076.24/38,358.82
  6. Step 6: Final answer
    x = 29,473.22

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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.