Home / 34,360.72-47,418.30-20,020.24

Finding the Fourth Proportional to 34,360.72, 47,418.30 and 20,020.24

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Solution

The fourth proportional to 34,360.72, 47,418.30 and 20,020.24 is: 27,628.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,360.72 : 47,418.30 = 20,020.24 : x
  2. Step 2: Convert to fraction form
    34,360.72/47,418.30 = 20,020.24/x
  3. Step 3: Cross multiply
    34,360.72x = 47,418.30 × 20,020.24
  4. Step 4: Simplify right side
    34,360.72x = 949,325,746.39
  5. Step 5: Solve for x
    x = 949,325,746.39/34,360.72
  6. Step 6: Final answer
    x = 27,628.23

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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.