Home / 37,620.31-56,390.68-13,912.63

Finding the Fourth Proportional to 37,620.31, 56,390.68 and 13,912.63

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Solution

The fourth proportional to 37,620.31, 56,390.68 and 13,912.63 is: 20,854.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,620.31 : 56,390.68 = 13,912.63 : x
  2. Step 2: Convert to fraction form
    37,620.31/56,390.68 = 13,912.63/x
  3. Step 3: Cross multiply
    37,620.31x = 56,390.68 × 13,912.63
  4. Step 4: Simplify right side
    37,620.31x = 784,542,666.29
  5. Step 5: Solve for x
    x = 784,542,666.29/37,620.31
  6. Step 6: Final answer
    x = 20,854.23

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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.