Home / 35,987.63-49,665.38-20,071.94

Finding the Fourth Proportional to 35,987.63, 49,665.38 and 20,071.94

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Solution

The fourth proportional to 35,987.63, 49,665.38 and 20,071.94 is: 27,700.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.63 : 49,665.38 = 20,071.94 : x
  2. Step 2: Convert to fraction form
    35,987.63/49,665.38 = 20,071.94/x
  3. Step 3: Cross multiply
    35,987.63x = 49,665.38 × 20,071.94
  4. Step 4: Simplify right side
    35,987.63x = 996,880,178.75
  5. Step 5: Solve for x
    x = 996,880,178.75/35,987.63
  6. Step 6: Final answer
    x = 27,700.64

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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.