Home / 48,148.90-72,216.06-12,610.96

Finding the Fourth Proportional to 48,148.90, 72,216.06 and 12,610.96

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Solution

The fourth proportional to 48,148.90, 72,216.06 and 12,610.96 is: 18,914.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,148.90 : 72,216.06 = 12,610.96 : x
  2. Step 2: Convert to fraction form
    48,148.90/72,216.06 = 12,610.96/x
  3. Step 3: Cross multiply
    48,148.90x = 72,216.06 × 12,610.96
  4. Step 4: Simplify right side
    48,148.90x = 910,713,844.02
  5. Step 5: Solve for x
    x = 910,713,844.02/48,148.90
  6. Step 6: Final answer
    x = 18,914.53

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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.