Home / 37,509.91-56,270.49-13,815.64

Finding the Fourth Proportional to 37,509.91, 56,270.49 and 13,815.64

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Solution

The fourth proportional to 37,509.91, 56,270.49 and 13,815.64 is: 20,725.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,509.91 : 56,270.49 = 13,815.64 : x
  2. Step 2: Convert to fraction form
    37,509.91/56,270.49 = 13,815.64/x
  3. Step 3: Cross multiply
    37,509.91x = 56,270.49 × 13,815.64
  4. Step 4: Simplify right side
    37,509.91x = 777,412,832.46
  5. Step 5: Solve for x
    x = 777,412,832.46/37,509.91
  6. Step 6: Final answer
    x = 20,725.53

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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.