Home / 56,521.20-84,795.12-17,078.64

Finding the Fourth Proportional to 56,521.20, 84,795.12 and 17,078.64

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Solution

The fourth proportional to 56,521.20, 84,795.12 and 17,078.64 is: 25,621.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,521.20 : 84,795.12 = 17,078.64 : x
  2. Step 2: Convert to fraction form
    56,521.20/84,795.12 = 17,078.64/x
  3. Step 3: Cross multiply
    56,521.20x = 84,795.12 × 17,078.64
  4. Step 4: Simplify right side
    56,521.20x = 1,448,185,328.24
  5. Step 5: Solve for x
    x = 1,448,185,328.24/56,521.20
  6. Step 6: Final answer
    x = 25,621.98

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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.