Home / 35,709.06-53,571.09-13,521.95

Finding the Fourth Proportional to 35,709.06, 53,571.09 and 13,521.95

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Solution

The fourth proportional to 35,709.06, 53,571.09 and 13,521.95 is: 20,285.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,709.06 : 53,571.09 = 13,521.95 : x
  2. Step 2: Convert to fraction form
    35,709.06/53,571.09 = 13,521.95/x
  3. Step 3: Cross multiply
    35,709.06x = 53,571.09 × 13,521.95
  4. Step 4: Simplify right side
    35,709.06x = 724,385,332.57
  5. Step 5: Solve for x
    x = 724,385,332.57/35,709.06
  6. Step 6: Final answer
    x = 20,285.76

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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.