Home / 55,490.24-83,196.48-20,425.36

Finding the Fourth Proportional to 55,490.24, 83,196.48 and 20,425.36

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Solution

The fourth proportional to 55,490.24, 83,196.48 and 20,425.36 is: 30,623.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,490.24 : 83,196.48 = 20,425.36 : x
  2. Step 2: Convert to fraction form
    55,490.24/83,196.48 = 20,425.36/x
  3. Step 3: Cross multiply
    55,490.24x = 83,196.48 × 20,425.36
  4. Step 4: Simplify right side
    55,490.24x = 1,699,318,054.73
  5. Step 5: Solve for x
    x = 1,699,318,054.73/55,490.24
  6. Step 6: Final answer
    x = 30,623.73

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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.