Home / 49,057.59-67,701.24-28,931.79

Finding the Fourth Proportional to 49,057.59, 67,701.24 and 28,931.79

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Solution

The fourth proportional to 49,057.59, 67,701.24 and 28,931.79 is: 39,926.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,057.59 : 67,701.24 = 28,931.79 : x
  2. Step 2: Convert to fraction form
    49,057.59/67,701.24 = 28,931.79/x
  3. Step 3: Cross multiply
    49,057.59x = 67,701.24 × 28,931.79
  4. Step 4: Simplify right side
    49,057.59x = 1,958,718,058.42
  5. Step 5: Solve for x
    x = 1,958,718,058.42/49,057.59
  6. Step 6: Final answer
    x = 39,926.91

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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.