Home / 39,612-54,664.56-23,697.12

Finding the Fourth Proportional to 39,612, 54,664.56 and 23,697.12

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Solution

The fourth proportional to 39,612, 54,664.56 and 23,697.12 is: 32,702.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,612 : 54,664.56 = 23,697.12 : x
  2. Step 2: Convert to fraction form
    39,612/54,664.56 = 23,697.12/x
  3. Step 3: Cross multiply
    39,612x = 54,664.56 × 23,697.12
  4. Step 4: Simplify right side
    39,612x = 1,295,392,638.07
  5. Step 5: Solve for x
    x = 1,295,392,638.07/39,612
  6. Step 6: Final answer
    x = 32,702.03

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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.