Home / 35,986.28-49,657.61-20,071.77

Finding the Fourth Proportional to 35,986.28, 49,657.61 and 20,071.77

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Solution

The fourth proportional to 35,986.28, 49,657.61 and 20,071.77 is: 27,697.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,986.28 : 49,657.61 = 20,071.77 : x
  2. Step 2: Convert to fraction form
    35,986.28/49,657.61 = 20,071.77/x
  3. Step 3: Cross multiply
    35,986.28x = 49,657.61 × 20,071.77
  4. Step 4: Simplify right side
    35,986.28x = 996,716,026.31
  5. Step 5: Solve for x
    x = 996,716,026.31/35,986.28
  6. Step 6: Final answer
    x = 27,697.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.