Home / 38,731.20-58,095.60-11,029.20

Finding the Fourth Proportional to 38,731.20, 58,095.60 and 11,029.20

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Solution

The fourth proportional to 38,731.20, 58,095.60 and 11,029.20 is: 16,543.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,731.20 : 58,095.60 = 11,029.20 : x
  2. Step 2: Convert to fraction form
    38,731.20/58,095.60 = 11,029.20/x
  3. Step 3: Cross multiply
    38,731.20x = 58,095.60 × 11,029.20
  4. Step 4: Simplify right side
    38,731.20x = 640,747,991.52
  5. Step 5: Solve for x
    x = 640,747,991.52/38,731.20
  6. Step 6: Final answer
    x = 16,543.46

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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.