Home / 37,455.80-56,166.78-19,921.88

Finding the Fourth Proportional to 37,455.80, 56,166.78 and 19,921.88

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Solution

The fourth proportional to 37,455.80, 56,166.78 and 19,921.88 is: 29,873.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,455.80 : 56,166.78 = 19,921.88 : x
  2. Step 2: Convert to fraction form
    37,455.80/56,166.78 = 19,921.88/x
  3. Step 3: Cross multiply
    37,455.80x = 56,166.78 × 19,921.88
  4. Step 4: Simplify right side
    37,455.80x = 1,118,947,851.15
  5. Step 5: Solve for x
    x = 1,118,947,851.15/37,455.80
  6. Step 6: Final answer
    x = 29,873.82

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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.