Home / 35,987.51-49,662.85-20,072.99

Finding the Fourth Proportional to 35,987.51, 49,662.85 and 20,072.99

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Solution

The fourth proportional to 35,987.51, 49,662.85 and 20,072.99 is: 27,700.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,987.51 : 49,662.85 = 20,072.99 : x
  2. Step 2: Convert to fraction form
    35,987.51/49,662.85 = 20,072.99/x
  3. Step 3: Cross multiply
    35,987.51x = 49,662.85 × 20,072.99
  4. Step 4: Simplify right side
    35,987.51x = 996,881,891.42
  5. Step 5: Solve for x
    x = 996,881,891.42/35,987.51
  6. Step 6: Final answer
    x = 27,700.77

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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.