Home / 37,065.57-51,150.72-20,712.78

Finding the Fourth Proportional to 37,065.57, 51,150.72 and 20,712.78

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Solution

The fourth proportional to 37,065.57, 51,150.72 and 20,712.78 is: 28,583.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,065.57 : 51,150.72 = 20,712.78 : x
  2. Step 2: Convert to fraction form
    37,065.57/51,150.72 = 20,712.78/x
  3. Step 3: Cross multiply
    37,065.57x = 51,150.72 × 20,712.78
  4. Step 4: Simplify right side
    37,065.57x = 1,059,473,687.87
  5. Step 5: Solve for x
    x = 1,059,473,687.87/37,065.57
  6. Step 6: Final answer
    x = 28,583.77

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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.