Home / 48,009.41-72,014.10-12,949.05

Finding the Fourth Proportional to 48,009.41, 72,014.10 and 12,949.05

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Solution

The fourth proportional to 48,009.41, 72,014.10 and 12,949.05 is: 19,423.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,009.41 : 72,014.10 = 12,949.05 : x
  2. Step 2: Convert to fraction form
    48,009.41/72,014.10 = 12,949.05/x
  3. Step 3: Cross multiply
    48,009.41x = 72,014.10 × 12,949.05
  4. Step 4: Simplify right side
    48,009.41x = 932,514,181.61
  5. Step 5: Solve for x
    x = 932,514,181.61/48,009.41
  6. Step 6: Final answer
    x = 19,423.57

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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.