Home / 38,087.28-52,560.36-21,092.40

Finding the Fourth Proportional to 38,087.28, 52,560.36 and 21,092.40

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Solution

The fourth proportional to 38,087.28, 52,560.36 and 21,092.40 is: 29,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,087.28 : 52,560.36 = 21,092.40 : x
  2. Step 2: Convert to fraction form
    38,087.28/52,560.36 = 21,092.40/x
  3. Step 3: Cross multiply
    38,087.28x = 52,560.36 × 21,092.40
  4. Step 4: Simplify right side
    38,087.28x = 1,108,624,137.26
  5. Step 5: Solve for x
    x = 1,108,624,137.26/38,087.28
  6. Step 6: Final answer
    x = 29,107.46

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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.