Home / 57,548.04-86,322.32-20,107.92

Finding the Fourth Proportional to 57,548.04, 86,322.32 and 20,107.92

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Solution

The fourth proportional to 57,548.04, 86,322.32 and 20,107.92 is: 30,161.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,548.04 : 86,322.32 = 20,107.92 : x
  2. Step 2: Convert to fraction form
    57,548.04/86,322.32 = 20,107.92/x
  3. Step 3: Cross multiply
    57,548.04x = 86,322.32 × 20,107.92
  4. Step 4: Simplify right side
    57,548.04x = 1,735,762,304.77
  5. Step 5: Solve for x
    x = 1,735,762,304.77/57,548.04
  6. Step 6: Final answer
    x = 30,161.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.