Home / 39,527.19-54,548.64-21,623.36

Finding the Fourth Proportional to 39,527.19, 54,548.64 and 21,623.36

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Solution

The fourth proportional to 39,527.19, 54,548.64 and 21,623.36 is: 29,840.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,527.19 : 54,548.64 = 21,623.36 : x
  2. Step 2: Convert to fraction form
    39,527.19/54,548.64 = 21,623.36/x
  3. Step 3: Cross multiply
    39,527.19x = 54,548.64 × 21,623.36
  4. Step 4: Simplify right side
    39,527.19x = 1,179,524,607.49
  5. Step 5: Solve for x
    x = 1,179,524,607.49/39,527.19
  6. Step 6: Final answer
    x = 29,840.84

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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.