Home / 51,072.06-76,617.81-19,904.88

Finding the Fourth Proportional to 51,072.06, 76,617.81 and 19,904.88

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Solution

The fourth proportional to 51,072.06, 76,617.81 and 19,904.88 is: 29,861.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,072.06 : 76,617.81 = 19,904.88 : x
  2. Step 2: Convert to fraction form
    51,072.06/76,617.81 = 19,904.88/x
  3. Step 3: Cross multiply
    51,072.06x = 76,617.81 × 19,904.88
  4. Step 4: Simplify right side
    51,072.06x = 1,525,068,313.91
  5. Step 5: Solve for x
    x = 1,525,068,313.91/51,072.06
  6. Step 6: Final answer
    x = 29,861.11

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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.