Home / 51,491.09-77,265.83-27,798.32

Finding the Fourth Proportional to 51,491.09, 77,265.83 and 27,798.32

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Solution

The fourth proportional to 51,491.09, 77,265.83 and 27,798.32 is: 41,713.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,491.09 : 77,265.83 = 27,798.32 : x
  2. Step 2: Convert to fraction form
    51,491.09/77,265.83 = 27,798.32/x
  3. Step 3: Cross multiply
    51,491.09x = 77,265.83 × 27,798.32
  4. Step 4: Simplify right side
    51,491.09x = 2,147,860,530.07
  5. Step 5: Solve for x
    x = 2,147,860,530.07/51,491.09
  6. Step 6: Final answer
    x = 41,713.24

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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.