Home / 39,563.99-54,598.40-21,659.00

Finding the Fourth Proportional to 39,563.99, 54,598.40 and 21,659.00

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Solution

The fourth proportional to 39,563.99, 54,598.40 and 21,659.00 is: 29,889.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,563.99 : 54,598.40 = 21,659.00 : x
  2. Step 2: Convert to fraction form
    39,563.99/54,598.40 = 21,659.00/x
  3. Step 3: Cross multiply
    39,563.99x = 54,598.40 × 21,659.00
  4. Step 4: Simplify right side
    39,563.99x = 1,182,546,567.37
  5. Step 5: Solve for x
    x = 1,182,546,567.37/39,563.99
  6. Step 6: Final answer
    x = 29,889.46

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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.