Home / 37,142.20-55,762.74-21,571

Finding the Fourth Proportional to 37,142.20, 55,762.74 and 21,571

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Solution

The fourth proportional to 37,142.20, 55,762.74 and 21,571 is: 32,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,142.20 : 55,762.74 = 21,571 : x
  2. Step 2: Convert to fraction form
    37,142.20/55,762.74 = 21,571/x
  3. Step 3: Cross multiply
    37,142.20x = 55,762.74 × 21,571
  4. Step 4: Simplify right side
    37,142.20x = 1,202,858,064.54
  5. Step 5: Solve for x
    x = 1,202,858,064.54/37,142.20
  6. Step 6: Final answer
    x = 32,385.21

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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.