Home / 48,181.05-72,266.38-12,645.93

Finding the Fourth Proportional to 48,181.05, 72,266.38 and 12,645.93

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Solution

The fourth proportional to 48,181.05, 72,266.38 and 12,645.93 is: 18,967.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,181.05 : 72,266.38 = 12,645.93 : x
  2. Step 2: Convert to fraction form
    48,181.05/72,266.38 = 12,645.93/x
  3. Step 3: Cross multiply
    48,181.05x = 72,266.38 × 12,645.93
  4. Step 4: Simplify right side
    48,181.05x = 913,875,582.83
  5. Step 5: Solve for x
    x = 913,875,582.83/48,181.05
  6. Step 6: Final answer
    x = 18,967.53

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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.