Home / 49,913.41-74,869.98-20,324.29

Finding the Fourth Proportional to 49,913.41, 74,869.98 and 20,324.29

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Solution

The fourth proportional to 49,913.41, 74,869.98 and 20,324.29 is: 30,486.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,913.41 : 74,869.98 = 20,324.29 : x
  2. Step 2: Convert to fraction form
    49,913.41/74,869.98 = 20,324.29/x
  3. Step 3: Cross multiply
    49,913.41x = 74,869.98 × 20,324.29
  4. Step 4: Simplify right side
    49,913.41x = 1,521,679,185.81
  5. Step 5: Solve for x
    x = 1,521,679,185.81/49,913.41
  6. Step 6: Final answer
    x = 30,486.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.