Home / 35,988.23-49,662.72-20,072.36

Finding the Fourth Proportional to 35,988.23, 49,662.72 and 20,072.36

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Solution

The fourth proportional to 35,988.23, 49,662.72 and 20,072.36 is: 27,699.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.23 : 49,662.72 = 20,072.36 : x
  2. Step 2: Convert to fraction form
    35,988.23/49,662.72 = 20,072.36/x
  3. Step 3: Cross multiply
    35,988.23x = 49,662.72 × 20,072.36
  4. Step 4: Simplify right side
    35,988.23x = 996,847,994.42
  5. Step 5: Solve for x
    x = 996,847,994.42/35,988.23
  6. Step 6: Final answer
    x = 27,699.28

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1.5x scale

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.