Home / 39,560.35-54,591.54-21,655.72

Finding the Fourth Proportional to 39,560.35, 54,591.54 and 21,655.72

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Solution

The fourth proportional to 39,560.35, 54,591.54 and 21,655.72 is: 29,883.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.35 : 54,591.54 = 21,655.72 : x
  2. Step 2: Convert to fraction form
    39,560.35/54,591.54 = 21,655.72/x
  3. Step 3: Cross multiply
    39,560.35x = 54,591.54 × 21,655.72
  4. Step 4: Simplify right side
    39,560.35x = 1,182,219,104.61
  5. Step 5: Solve for x
    x = 1,182,219,104.61/39,560.35
  6. Step 6: Final answer
    x = 29,883.94

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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.