Home / 51,850.19-77,810.96-18,116.39

Finding the Fourth Proportional to 51,850.19, 77,810.96 and 18,116.39

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Solution

The fourth proportional to 51,850.19, 77,810.96 and 18,116.39 is: 27,187.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,850.19 : 77,810.96 = 18,116.39 : x
  2. Step 2: Convert to fraction form
    51,850.19/77,810.96 = 18,116.39/x
  3. Step 3: Cross multiply
    51,850.19x = 77,810.96 × 18,116.39
  4. Step 4: Simplify right side
    51,850.19x = 1,409,653,937.45
  5. Step 5: Solve for x
    x = 1,409,653,937.45/51,850.19
  6. Step 6: Final answer
    x = 27,187.05

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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.