Home / 51,571.36-77,385.66-27,878.32

Finding the Fourth Proportional to 51,571.36, 77,385.66 and 27,878.32

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Solution

The fourth proportional to 51,571.36, 77,385.66 and 27,878.32 is: 41,832.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,571.36 : 77,385.66 = 27,878.32 : x
  2. Step 2: Convert to fraction form
    51,571.36/77,385.66 = 27,878.32/x
  3. Step 3: Cross multiply
    51,571.36x = 77,385.66 × 27,878.32
  4. Step 4: Simplify right side
    51,571.36x = 2,157,382,192.89
  5. Step 5: Solve for x
    x = 2,157,382,192.89/51,571.36
  6. Step 6: Final answer
    x = 41,832.95

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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.