Home / 39,563.55-54,598.35-21,658.26

Finding the Fourth Proportional to 39,563.55, 54,598.35 and 21,658.26

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Solution

The fourth proportional to 39,563.55, 54,598.35 and 21,658.26 is: 29,888.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,563.55 : 54,598.35 = 21,658.26 : x
  2. Step 2: Convert to fraction form
    39,563.55/54,598.35 = 21,658.26/x
  3. Step 3: Cross multiply
    39,563.55x = 54,598.35 × 21,658.26
  4. Step 4: Simplify right side
    39,563.55x = 1,182,505,259.87
  5. Step 5: Solve for x
    x = 1,182,505,259.87/39,563.55
  6. Step 6: Final answer
    x = 29,888.76

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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.