Home / 39,512.57-54,527.33-21,607.58

Finding the Fourth Proportional to 39,512.57, 54,527.33 and 21,607.58

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Solution

The fourth proportional to 39,512.57, 54,527.33 and 21,607.58 is: 29,818.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,512.57 : 54,527.33 = 21,607.58 : x
  2. Step 2: Convert to fraction form
    39,512.57/54,527.33 = 21,607.58/x
  3. Step 3: Cross multiply
    39,512.57x = 54,527.33 × 21,607.58
  4. Step 4: Simplify right side
    39,512.57x = 1,178,203,835.50
  5. Step 5: Solve for x
    x = 1,178,203,835.50/39,512.57
  6. Step 6: Final answer
    x = 29,818.46

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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.