Home / 45,498.38-68,247.56-12,666.38

Finding the Fourth Proportional to 45,498.38, 68,247.56 and 12,666.38

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Solution

The fourth proportional to 45,498.38, 68,247.56 and 12,666.38 is: 18,999.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,498.38 : 68,247.56 = 12,666.38 : x
  2. Step 2: Convert to fraction form
    45,498.38/68,247.56 = 12,666.38/x
  3. Step 3: Cross multiply
    45,498.38x = 68,247.56 × 12,666.38
  4. Step 4: Simplify right side
    45,498.38x = 864,449,219.46
  5. Step 5: Solve for x
    x = 864,449,219.46/45,498.38
  6. Step 6: Final answer
    x = 18,999.56

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1.5x scale

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.