Home / 45,923.10-68,876.54-12,635.12

Finding the Fourth Proportional to 45,923.10, 68,876.54 and 12,635.12

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Solution

The fourth proportional to 45,923.10, 68,876.54 and 12,635.12 is: 18,950.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,923.10 : 68,876.54 = 12,635.12 : x
  2. Step 2: Convert to fraction form
    45,923.10/68,876.54 = 12,635.12/x
  3. Step 3: Cross multiply
    45,923.10x = 68,876.54 × 12,635.12
  4. Step 4: Simplify right side
    45,923.10x = 870,263,348.08
  5. Step 5: Solve for x
    x = 870,263,348.08/45,923.10
  6. Step 6: Final answer
    x = 18,950.45

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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.