Home / 35,987.04-49,662.20-20,072.52

Finding the Fourth Proportional to 35,987.04, 49,662.20 and 20,072.52

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Solution

The fourth proportional to 35,987.04, 49,662.20 and 20,072.52 is: 27,700.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.04 : 49,662.20 = 20,072.52 : x
  2. Step 2: Convert to fraction form
    35,987.04/49,662.20 = 20,072.52/x
  3. Step 3: Cross multiply
    35,987.04x = 49,662.20 × 20,072.52
  4. Step 4: Simplify right side
    35,987.04x = 996,845,552.93
  5. Step 5: Solve for x
    x = 996,845,552.93/35,987.04
  6. Step 6: Final answer
    x = 27,700.13

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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.