Home / 50,681.66-69,942.15-28,022.11

Finding the Fourth Proportional to 50,681.66, 69,942.15 and 28,022.11

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Solution

The fourth proportional to 50,681.66, 69,942.15 and 28,022.11 is: 38,671.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,681.66 : 69,942.15 = 28,022.11 : x
  2. Step 2: Convert to fraction form
    50,681.66/69,942.15 = 28,022.11/x
  3. Step 3: Cross multiply
    50,681.66x = 69,942.15 × 28,022.11
  4. Step 4: Simplify right side
    50,681.66x = 1,959,926,839.51
  5. Step 5: Solve for x
    x = 1,959,926,839.51/50,681.66
  6. Step 6: Final answer
    x = 38,671.32

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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.