Home / 39,560.55-54,592.83-21,655.23

Finding the Fourth Proportional to 39,560.55, 54,592.83 and 21,655.23

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Solution

The fourth proportional to 39,560.55, 54,592.83 and 21,655.23 is: 29,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,560.55 : 54,592.83 = 21,655.23 : x
  2. Step 2: Convert to fraction form
    39,560.55/54,592.83 = 21,655.23/x
  3. Step 3: Cross multiply
    39,560.55x = 54,592.83 × 21,655.23
  4. Step 4: Simplify right side
    39,560.55x = 1,182,220,290.00
  5. Step 5: Solve for x
    x = 1,182,220,290.00/39,560.55
  6. Step 6: Final answer
    x = 29,883.82

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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.