Home / 68,399.47-102,598.30-21,652.35

Finding the Fourth Proportional to 68,399.47, 102,598.30 and 21,652.35

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Solution

The fourth proportional to 68,399.47, 102,598.30 and 21,652.35 is: 32,478.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,399.47 : 102,598.30 = 21,652.35 : x
  2. Step 2: Convert to fraction form
    68,399.47/102,598.30 = 21,652.35/x
  3. Step 3: Cross multiply
    68,399.47x = 102,598.30 × 21,652.35
  4. Step 4: Simplify right side
    68,399.47x = 2,221,494,301.01
  5. Step 5: Solve for x
    x = 2,221,494,301.01/68,399.47
  6. Step 6: Final answer
    x = 32,478.24

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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.