Home / 51,715.16-77,571.19-14,277.51

Finding the Fourth Proportional to 51,715.16, 77,571.19 and 14,277.51

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Solution

The fourth proportional to 51,715.16, 77,571.19 and 14,277.51 is: 21,415.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,715.16 : 77,571.19 = 14,277.51 : x
  2. Step 2: Convert to fraction form
    51,715.16/77,571.19 = 14,277.51/x
  3. Step 3: Cross multiply
    51,715.16x = 77,571.19 × 14,277.51
  4. Step 4: Simplify right side
    51,715.16x = 1,107,523,440.94
  5. Step 5: Solve for x
    x = 1,107,523,440.94/51,715.16
  6. Step 6: Final answer
    x = 21,415.84

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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.