Home / 45,870.64-68,747.64-20,924.26

Finding the Fourth Proportional to 45,870.64, 68,747.64 and 20,924.26

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Solution

The fourth proportional to 45,870.64, 68,747.64 and 20,924.26 is: 31,359.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,870.64 : 68,747.64 = 20,924.26 : x
  2. Step 2: Convert to fraction form
    45,870.64/68,747.64 = 20,924.26/x
  3. Step 3: Cross multiply
    45,870.64x = 68,747.64 × 20,924.26
  4. Step 4: Simplify right side
    45,870.64x = 1,438,493,493.75
  5. Step 5: Solve for x
    x = 1,438,493,493.75/45,870.64
  6. Step 6: Final answer
    x = 31,359.79

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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.