Home / 35,786.51-49,387.62-20,681.93

Finding the Fourth Proportional to 35,786.51, 49,387.62 and 20,681.93

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Solution

The fourth proportional to 35,786.51, 49,387.62 and 20,681.93 is: 28,542.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,786.51 : 49,387.62 = 20,681.93 : x
  2. Step 2: Convert to fraction form
    35,786.51/49,387.62 = 20,681.93/x
  3. Step 3: Cross multiply
    35,786.51x = 49,387.62 × 20,681.93
  4. Step 4: Simplify right side
    35,786.51x = 1,021,431,052.77
  5. Step 5: Solve for x
    x = 1,021,431,052.77/35,786.51
  6. Step 6: Final answer
    x = 28,542.35

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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.