Home / 40,016.72-60,025.08-12,314

Finding the Fourth Proportional to 40,016.72, 60,025.08 and 12,314

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Solution

The fourth proportional to 40,016.72, 60,025.08 and 12,314 is: 18,471

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,016.72 : 60,025.08 = 12,314 : x
  2. Step 2: Convert to fraction form
    40,016.72/60,025.08 = 12,314/x
  3. Step 3: Cross multiply
    40,016.72x = 60,025.08 × 12,314
  4. Step 4: Simplify right side
    40,016.72x = 739,148,835.12
  5. Step 5: Solve for x
    x = 739,148,835.12/40,016.72
  6. Step 6: Final answer
    x = 18,471

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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.